45125370 has 64 divisors (see below), whose sum is σ = 121645440. Its totient is φ = 11902464.

The previous prime is 45125347. The next prime is 45125387. The reversal of 45125370 is 7352154.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25329 + ... + 27051.

It is an arithmetic number, because the mean of its divisors is an integer number (1900710).

Almost surely, 2^45125370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45125370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60822720).

45125370 is an abundant number, since it is smaller than the sum of its proper divisors (76520070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45125370 is a wasteful number, since it uses less digits than its factorization.

45125370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45125370 is about 6717.5419611641. The cubic root of 45125370 is about 356.0193409936.

The spelling of 45125370 in words is "forty-five million, one hundred twenty-five thousand, three hundred seventy".