45331545 has 16 divisors (see below), whose sum is σ = 82892160. Its totient is φ = 20722944.

The previous prime is 45331541. The next prime is 45331591. The reversal of 45331545 is 54513354.

It is not a de Polignac number, because 45331545 - 2² = 45331541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45331541) 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, 215760 + ... + 215969.

It is an arithmetic number, because the mean of its divisors is an integer number (5180760).

Almost surely, 2^45331545 is an apocalyptic number.

It is an amenable number.

45331545 is a deficient number, since it is larger than the sum of its proper divisors (37560615).

45331545 is a wasteful number, since it uses less digits than its factorization.

45331545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431744.

The product of its digits is 18000, while the sum is 30.

The square root of 45331545 is about 6732.8704873924. The cubic root of 45331545 is about 356.5607273605.

Adding to 45331545 its reverse (54513354), we get a palindrome (99844899).

The spelling of 45331545 in words is "forty-five million, three hundred thirty-one thousand, five hundred forty-five".