45150242531 has 4 divisors (see below), whose sum is σ = 45316848864. Its totient is φ = 44983636200.

The previous prime is 45150242513. The next prime is 45150242551. The reversal of 45150242531 is 13524205154.

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

It is a cyclic number.

It is not a de Polignac number, because 45150242531 - 2¹⁸ = 45149980387 is a prime.

It is a super-2 number, since 2×45150242531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45150242551) 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, 83302760 + ... + 83303301.

It is an arithmetic number, because the mean of its divisors is an integer number (11329212216).

Almost surely, 2^45150242531 is an apocalyptic number.

45150242531 is a deficient number, since it is larger than the sum of its proper divisors (166606333).

45150242531 is a wasteful number, since it uses less digits than its factorization.

45150242531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166606332.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 45150242531 its reverse (13524205154), we get a palindrome (58674447685).

The spelling of 45150242531 in words is "forty-five billion, one hundred fifty million, two hundred forty-two thousand, five hundred thirty-one".