45305190 has 64 divisors (see below), whose sum is σ = 138078720. Its totient is φ = 10355040.

The previous prime is 45305179. The next prime is 45305201. The reversal of 45305190 is 9150354.

It is an interprime number because it is at equal distance from previous prime (45305179) and next prime (45305201).

It is a super-2 number, since 2×45305190² = 4105120481872200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10096 + ... + 13875.

It is an arithmetic number, because the mean of its divisors is an integer number (2157480).

Almost surely, 2^45305190 is an apocalyptic number.

45305190 is an abundant number, since it is smaller than the sum of its proper divisors (92773530).

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

45305190 is a wasteful number, since it uses less digits than its factorization.

45305190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23994 (or 23988 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 45305190 is about 6730.9130138489. The cubic root of 45305190 is about 356.4916144895.

The spelling of 45305190 in words is "forty-five million, three hundred five thousand, one hundred ninety".