45150123 has 4 divisors (see below), whose sum is σ = 60200168. Its totient is φ = 30100080.

The previous prime is 45150109. The next prime is 45150139. The reversal of 45150123 is 32105154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45150123 - 2²² = 40955819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45150123.

It is not an unprimeable number, because it can be changed into a prime (45151123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525018 + ... + 7525023.

It is an arithmetic number, because the mean of its divisors is an integer number (15050042).

Almost surely, 2^45150123 is an apocalyptic number.

45150123 is a deficient number, since it is larger than the sum of its proper divisors (15050045).

45150123 is a wasteful number, since it uses less digits than its factorization.

45150123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050044.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45150123 is about 6719.3841235637. The cubic root of 45150123 is about 356.0844258590.

Adding to 45150123 its reverse (32105154), we get a palindrome (77255277).

The spelling of 45150123 in words is "forty-five million, one hundred fifty thousand, one hundred twenty-three".