45650639 has 4 divisors (see below), whose sum is σ = 45665256. Its totient is φ = 45636024.

The previous prime is 45650621. The next prime is 45650641. The reversal of 45650639 is 93605654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45650639 - 2²⁴ = 28873423 is a prime.

It is a super-2 number, since 2×45650639² = 4167961682216642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45650609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524 + ... + 9569.

It is an arithmetic number, because the mean of its divisors is an integer number (11416314).

Almost surely, 2^45650639 is an apocalyptic number.

45650639 is a deficient number, since it is larger than the sum of its proper divisors (14617).

45650639 is a wasteful number, since it uses less digits than its factorization.

45650639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14616.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 45650639 is about 6756.5256604264. The cubic root of 45650639 is about 357.3953960673.

The spelling of 45650639 in words is "forty-five million, six hundred fifty thousand, six hundred thirty-nine".