45649420 has 24 divisors (see below), whose sum is σ = 101503584. Its totient is φ = 17185536.

The previous prime is 45649399. The next prime is 45649427. The reversal of 45649420 is 2494654.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (45649427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66792 + ... + 67471.

It is an arithmetic number, because the mean of its divisors is an integer number (4229316).

Almost surely, 2^45649420 is an apocalyptic number.

It is an amenable number.

45649420 is an abundant number, since it is smaller than the sum of its proper divisors (55854164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45649420 is a wasteful number, since it uses less digits than its factorization.

45649420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134289 (or 134287 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 45649420 is about 6756.4354507388. The cubic root of 45649420 is about 357.3922148861.

The spelling of 45649420 in words is "forty-five million, six hundred forty-nine thousand, four hundred twenty".