45142918238 has 16 divisors (see below), whose sum is σ = 73931172336. Its totient is φ = 20502579840.

The previous prime is 45142918229. The next prime is 45142918241. The reversal of 45142918238 is 83281924154.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45142918192 and 45142918201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819131 + ... + 872502.

It is an arithmetic number, because the mean of its divisors is an integer number (4620698271).

Almost surely, 2^45142918238 is an apocalyptic number.

45142918238 is a deficient number, since it is larger than the sum of its proper divisors (28788254098).

45142918238 is a wasteful number, since it uses less digits than its factorization.

45142918238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692859.

The product of its digits is 552960, while the sum is 47.

The spelling of 45142918238 in words is "forty-five billion, one hundred forty-two million, nine hundred eighteen thousand, two hundred thirty-eight".