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145104046 = 2971395381
BaseRepresentation
bin10001010011000…
…01110010101110
3101010001001022221
420221201302232
5244121312141
622222025554
73411235603
oct1051416256
9333031287
10145104046
11749a88aa
12407182ba
13240a65a9
14153b26aa
15cb13bd1
hex8a61cae

145104046 has 16 divisors (see below), whose sum is σ = 221523120. Its totient is φ = 71274240.

The previous prime is 145104041. The next prime is 145104053. The reversal of 145104046 is 640401541.

It is a self number, because there is not a number n which added to its sum of digits gives 145104046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145104041) 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 7 ways as a sum of consecutive naturals, for example, 24276 + ... + 29656.

It is an arithmetic number, because the mean of its divisors is an integer number (13845195).

Almost surely, 2145104046 is an apocalyptic number.

145104046 is a deficient number, since it is larger than the sum of its proper divisors (76419074).

145104046 is a wasteful number, since it uses less digits than its factorization.

145104046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 145104046 is about 12045.9140790560. The cubic root of 145104046 is about 525.4844157810.

Adding to 145104046 its reverse (640401541), we get a palindrome (785505587).

The spelling of 145104046 in words is "one hundred forty-five million, one hundred four thousand, forty-six".

Divisors: 1 2 97 139 194 278 5381 10762 13483 26966 521957 747959 1043914 1495918 72552023 145104046