45451650 has 24 divisors (see below), whose sum is σ = 112720464. Its totient is φ = 12120400.

The previous prime is 45451639. The next prime is 45451711. The reversal of 45451650 is 5615454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 151356 + ... + 151655.

It is an arithmetic number, because the mean of its divisors is an integer number (4696686).

Almost surely, 2^45451650 is an apocalyptic number.

45451650 is an abundant number, since it is smaller than the sum of its proper divisors (67268814).

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

45451650 is a wasteful number, since it uses less digits than its factorization.

45451650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303026 (or 303021 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 45451650 is about 6741.7838885565. The cubic root of 45451650 is about 356.8753497767.

The spelling of 45451650 in words is "forty-five million, four hundred fifty-one thousand, six hundred fifty".