45135646 has 16 divisors (see below), whose sum is σ = 72019584. Its totient is φ = 21141504.

The previous prime is 45135641. The next prime is 45135653. The reversal of 45135646 is 64653154.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45135641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (4501224).

Almost surely, 2^45135646 is an apocalyptic number.

45135646 is a deficient number, since it is larger than the sum of its proper divisors (26883938).

45135646 is a wasteful number, since it uses less digits than its factorization.

45135646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195.

The product of its digits is 43200, while the sum is 34.

The square root of 45135646 is about 6718.3067807298. The cubic root of 45135646 is about 356.0463633174.

The spelling of 45135646 in words is "forty-five million, one hundred thirty-five thousand, six hundred forty-six".