45380372 has 6 divisors (see below), whose sum is σ = 79415658. Its totient is φ = 22690184.

The previous prime is 45380369. The next prime is 45380393. The reversal of 45380372 is 27308354.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41396356 + 3984016 = 6434^2 + 1996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672543 + ... + 5672550.

It is an arithmetic number, because the mean of its divisors is an integer number (13235943).

Almost surely, 2^45380372 is an apocalyptic number.

It is an amenable number.

45380372 is a deficient number, since it is larger than the sum of its proper divisors (34035286).

45380372 is a wasteful number, since it uses less digits than its factorization.

45380372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345097 (or 11345095 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 45380372 is about 6736.4955280917. The cubic root of 45380372 is about 356.6886996414.

The spelling of 45380372 in words is "forty-five million, three hundred eighty thousand, three hundred seventy-two".