45314531 has 16 divisors (see below), whose sum is σ = 48527424. Its totient is φ = 42223104.

The previous prime is 45314527. The next prime is 45314551. The reversal of 45314531 is 13541354.

It is a cyclic number.

It is not a de Polignac number, because 45314531 - 2² = 45314527 is a prime.

It is a super-2 number, since 2×45314531² = 4106813439499922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45314531.

It is not an unprimeable number, because it can be changed into a prime (45314551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229925 + ... + 230121.

It is an arithmetic number, because the mean of its divisors is an integer number (3032964).

Almost surely, 2^45314531 is an apocalyptic number.

45314531 is a deficient number, since it is larger than the sum of its proper divisors (3212893).

45314531 is a wasteful number, since it uses less digits than its factorization.

45314531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

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

The square root of 45314531 is about 6731.6068661205. The cubic root of 45314531 is about 356.5161132230.

Adding to 45314531 its reverse (13541354), we get a palindrome (58855885).

The spelling of 45314531 in words is "forty-five million, three hundred fourteen thousand, five hundred thirty-one".