45329515 has 32 divisors (see below), whose sum is σ = 68221440. Its totient is φ = 28089600.

The previous prime is 45329461. The next prime is 45329519. The reversal of 45329515 is 51592354.

It is not a de Polignac number, because 45329515 - 2⁷ = 45329387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45329519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107976 + ... + 108394.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 2^45329515 is an apocalyptic number.

45329515 is a deficient number, since it is larger than the sum of its proper divisors (22891925).

45329515 is a wasteful number, since it uses less digits than its factorization.

45329515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 27000, while the sum is 34.

The square root of 45329515 is about 6732.7197327677. The cubic root of 45329515 is about 356.5554048779. Note that the first 3 decimals are identical.

Subtracting from 45329515 its sum of digits (34), we obtain a triangular number (45329481 = T₉₅₂₁).

The spelling of 45329515 in words is "forty-five million, three hundred twenty-nine thousand, five hundred fifteen".