45213490 has 16 divisors (see below), whose sum is σ = 93010752. Its totient is φ = 15501744.

The previous prime is 45213463. The next prime is 45213541. The reversal of 45213490 is 9431254.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322884 + ... + 323023.

It is an arithmetic number, because the mean of its divisors is an integer number (5813172).

Almost surely, 2^45213490 is an apocalyptic number.

45213490 is an abundant number, since it is smaller than the sum of its proper divisors (47797262).

45213490 is a wasteful number, since it uses less digits than its factorization.

45213490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645921.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45213490 is about 6724.0977089867. The cubic root of 45213490 is about 356.2509330026.

The spelling of 45213490 in words is "forty-five million, two hundred thirteen thousand, four hundred ninety".