45319508 has 24 divisors (see below), whose sum is σ = 86265480. Its totient is φ = 20707200.

The previous prime is 45319481. The next prime is 45319543. The reversal of 45319508 is 80591354.

It can be written as a sum of positive squares in 4 ways, for example, as 15856324 + 29463184 = 3982^2 + 5428^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 938 + ... + 9566.

It is an arithmetic number, because the mean of its divisors is an integer number (3594395).

Almost surely, 2^45319508 is an apocalyptic number.

It is an amenable number.

45319508 is a deficient number, since it is larger than the sum of its proper divisors (40945972).

45319508 is a wasteful number, since it uses less digits than its factorization.

45319508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747 (or 8745 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 45319508 is about 6731.9765299650. The cubic root of 45319508 is about 356.5291650756.

The spelling of 45319508 in words is "forty-five million, three hundred nineteen thousand, five hundred eight".