45137378 has 16 divisors (see below), whose sum is σ = 79543296. Its totient is φ = 18938640.

The previous prime is 45137371. The next prime is 45137387. The reversal of 45137378 is 87373154.

It is not an unprimeable number, because it can be changed into a prime (45137371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78626 + ... + 79197.

It is an arithmetic number, because the mean of its divisors is an integer number (4971456).

Almost surely, 2^45137378 is an apocalyptic number.

45137378 is a deficient number, since it is larger than the sum of its proper divisors (34405918).

45137378 is a wasteful number, since it uses less digits than its factorization.

45137378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157849.

The product of its digits is 70560, while the sum is 38.

The square root of 45137378 is about 6718.4356810198. The cubic root of 45137378 is about 356.0509174741.

The spelling of 45137378 in words is "forty-five million, one hundred thirty-seven thousand, three hundred seventy-eight".