45515533 has 16 divisors (see below), whose sum is σ = 53939200. Its totient is φ = 37584000.

The previous prime is 45515531. The next prime is 45515539. The reversal of 45515533 is 33551554.

It is a cyclic number.

It is not a de Polignac number, because 45515533 - 2¹ = 45515531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 45515495 and 45515504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45515531) 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, 75433 + ... + 76033.

It is an arithmetic number, because the mean of its divisors is an integer number (3371200).

Almost surely, 2^45515533 is an apocalyptic number.

It is an amenable number.

45515533 is a deficient number, since it is larger than the sum of its proper divisors (8423667).

45515533 is a wasteful number, since it uses less digits than its factorization.

45515533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its digits is 22500, while the sum is 31.

The square root of 45515533 is about 6746.5200659303. The cubic root of 45515533 is about 357.0424694537.

The spelling of 45515533 in words is "forty-five million, five hundred fifteen thousand, five hundred thirty-three".