45911985 has 64 divisors (see below), whose sum is σ = 90201600. Its totient is φ = 19531776.

The previous prime is 45911977. The next prime is 45911993. The reversal of 45911985 is 58911954.

It is an interprime number because it is at equal distance from previous prime (45911977) and next prime (45911993).

It is not a de Polignac number, because 45911985 - 2³ = 45911977 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 515821 + ... + 515909.

It is an arithmetic number, because the mean of its divisors is an integer number (1409400).

Almost surely, 2^45911985 is an apocalyptic number.

It is an amenable number.

45911985 is a deficient number, since it is larger than the sum of its proper divisors (44289615).

45911985 is an equidigital number, since it uses as much as digits as its factorization.

45911985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 121 counting only the distinct ones).

The product of its digits is 64800, while the sum is 42.

The square root of 45911985 is about 6775.8383245175. The cubic root of 45911985 is about 358.0761180385.

The spelling of 45911985 in words is "forty-five million, nine hundred eleven thousand, nine hundred eighty-five".