45990810 has 96 divisors (see below), whose sum is σ = 126023040. Its totient is φ = 11620224.

The previous prime is 45990809. The next prime is 45990817. The reversal of 45990810 is 1809954.

It is a super-2 number, since 2×45990810² = 4230309208912200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45990817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174739 + ... + 175001.

It is an arithmetic number, because the mean of its divisors is an integer number (1312740).

Almost surely, 2^45990810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45990810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63011520).

45990810 is an abundant number, since it is smaller than the sum of its proper divisors (80032230).

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

45990810 is a wasteful number, since it uses less digits than its factorization.

45990810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 45990810 is about 6781.6524534954. The cubic root of 45990810 is about 358.2809244907.

The spelling of 45990810 in words is "forty-five million, nine hundred ninety thousand, eight hundred ten".