45137390 has 32 divisors (see below), whose sum is σ = 83700864. Its totient is φ = 17516800.

The previous prime is 45137387. The next prime is 45137423. The reversal of 45137390 is 9373154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64040 + ... + 64740.

It is an arithmetic number, because the mean of its divisors is an integer number (2615652).

Almost surely, 2^45137390 is an apocalyptic number.

45137390 is a deficient number, since it is larger than the sum of its proper divisors (38563474).

45137390 is a wasteful number, since it uses less digits than its factorization.

45137390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 45137390 is about 6718.4365740848. The cubic root of 45137390 is about 356.0509490267.

The spelling of 45137390 in words is "forty-five million, one hundred thirty-seven thousand, three hundred ninety".