45158730 has 16 divisors (see below), whose sum is σ = 108381024. Its totient is φ = 12042320.

The previous prime is 45158693. The next prime is 45158731. The reversal of 45158730 is 3785154.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45158691 and 45158700.

It is not an unprimeable number, because it can be changed into a prime (45158731) 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, 752616 + ... + 752675.

It is an arithmetic number, because the mean of its divisors is an integer number (6773814).

Almost surely, 2^45158730 is an apocalyptic number.

45158730 is an abundant number, since it is smaller than the sum of its proper divisors (63222294).

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

45158730 is a wasteful number, since it uses less digits than its factorization.

45158730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505301.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 45158730 is about 6720.0245535266. The cubic root of 45158730 is about 356.1070512970.

The spelling of 45158730 in words is "forty-five million, one hundred fifty-eight thousand, seven hundred thirty".