45641515 has 32 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 31938048.

The previous prime is 45641509. The next prime is 45641527. The reversal of 45641515 is 51514654.

It is a cyclic number.

It is not a de Polignac number, because 45641515 - 2⁵ = 45641483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95046 + ... + 95524.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^45641515 is an apocalyptic number.

45641515 is a deficient number, since it is larger than the sum of its proper divisors (16566485).

45641515 is a wasteful number, since it uses less digits than its factorization.

45641515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its digits is 12000, while the sum is 31.

The square root of 45641515 is about 6755.8504275924. The cubic root of 45641515 is about 357.3715841124.

The spelling of 45641515 in words is "forty-five million, six hundred forty-one thousand, five hundred fifteen".