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45145026 = 235194889
BaseRepresentation
bin1010110000110…
…1101111000010
310010221121100000
42230031233002
543024120101
64251340430
71055504103
oct254155702
9103847300
1045145026
1123535143
1213151716
139478644
145dd23aa
153e6b486
hex2b0dbc2

45145026 has 48 divisors (see below), whose sum is σ = 106797600. Its totient is φ = 14253408.

The previous prime is 45145019. The next prime is 45145027. The reversal of 45145026 is 62054154.

45145026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45145027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6790 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (2224950).

Almost surely, 245145026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45145026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53398800).

45145026 is an abundant number, since it is smaller than the sum of its proper divisors (61652574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45145026 is a wasteful number, since it uses less digits than its factorization.

45145026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4913 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45145026 is about 6719.0048370276. The cubic root of 45145026 is about 356.0710258909.

The spelling of 45145026 in words is "forty-five million, one hundred forty-five thousand, twenty-six".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 243 342 486 513 1026 1539 3078 4617 4889 9234 9778 14667 29334 44001 88002 92891 132003 185782 264006 278673 396009 557346 792018 836019 1188027 1672038 2376054 2508057 5016114 7524171 15048342 22572513 45145026