45134531 has 8 divisors (see below), whose sum is σ = 48827520. Its totient is φ = 41473152.

The previous prime is 45134521. The next prime is 45134549. The reversal of 45134531 is 13543154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45134531 - 2¹⁰ = 45133507 is a prime.

It is a super-2 number, since 2×45134531² = 4074251777179922, which contains 22 as substring.

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 45134531.

It is not an unprimeable number, because it can be changed into a prime (45134521) 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, 4886 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (6103440).

Almost surely, 2^45134531 is an apocalyptic number.

45134531 is a deficient number, since it is larger than the sum of its proper divisors (3692989).

45134531 is a wasteful number, since it uses less digits than its factorization.

45134531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805.

The product of its digits is 3600, while the sum is 26.

The square root of 45134531 is about 6718.2237979990. The cubic root of 45134531 is about 356.0434314516.

Adding to 45134531 its reverse (13543154), we get a palindrome (58677685).

The spelling of 45134531 in words is "forty-five million, one hundred thirty-four thousand, five hundred thirty-one".