45940865 has 16 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 35521344.

The previous prime is 45940861. The next prime is 45940883. The reversal of 45940865 is 56804954.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45940865 - 2² = 45940861 is a prime.

It is a super-2 number, since 2×45940865² = 4221126153896450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45940861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30152 + ... + 31638.

It is an arithmetic number, because the mean of its divisors is an integer number (3562272).

Almost surely, 2^45940865 is an apocalyptic number.

It is an amenable number.

45940865 is a deficient number, since it is larger than the sum of its proper divisors (11055487).

45940865 is a wasteful number, since it uses less digits than its factorization.

45940865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 45940865 is about 6777.9690911069. The cubic root of 45940865 is about 358.1511824669.

The spelling of 45940865 in words is "forty-five million, nine hundred forty thousand, eight hundred sixty-five".