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45156543 = 315052181
BaseRepresentation
bin1010110001000…
…0100010111111
310010222012010120
42230100202333
543030002133
64251510023
71055552505
oct254204277
9103865116
1045156543
1123542863
1213158313
139480963
145dd6675
153e6eab3
hex2b108bf

45156543 has 4 divisors (see below), whose sum is σ = 60208728. Its totient is φ = 30104360.

The previous prime is 45156533. The next prime is 45156557. The reversal of 45156543 is 34565154.

45156543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45156543 - 25 = 45156511 is a prime.

It is a super-2 number, since 2×451565432 = 4078226751421698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45156523) 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 3 ways as a sum of consecutive naturals, for example, 7526088 + ... + 7526093.

It is an arithmetic number, because the mean of its divisors is an integer number (15052182).

Almost surely, 245156543 is an apocalyptic number.

45156543 is a deficient number, since it is larger than the sum of its proper divisors (15052185).

45156543 is a wasteful number, since it uses less digits than its factorization.

45156543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052184.

The product of its digits is 36000, while the sum is 33.

The square root of 45156543 is about 6719.8618289367. The cubic root of 45156543 is about 356.1013025474.

The spelling of 45156543 in words is "forty-five million, one hundred fifty-six thousand, five hundred forty-three".

Divisors: 1 3 15052181 45156543