45533519 has 16 divisors (see below), whose sum is σ = 49420800. Its totient is φ = 41816736.

The previous prime is 45533503. The next prime is 45533533. The reversal of 45533519 is 91533554.

It is a cyclic number.

It is not a de Polignac number, because 45533519 - 2⁴ = 45533503 is a prime.

It is a super-2 number, since 2×45533519² = 4146602705046722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45533119) 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, 103502 + ... + 103940.

It is an arithmetic number, because the mean of its divisors is an integer number (3088800).

Almost surely, 2^45533519 is an apocalyptic number.

45533519 is a deficient number, since it is larger than the sum of its proper divisors (3887281).

45533519 is a wasteful number, since it uses less digits than its factorization.

45533519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its digits is 40500, while the sum is 35.

The square root of 45533519 is about 6747.8529177806. The cubic root of 45533519 is about 357.0894931087.

Adding to 45533519 its sum of digits (35), we get a palindrome (45533554).

The spelling of 45533519 in words is "forty-five million, five hundred thirty-three thousand, five hundred nineteen".