45042533 has 16 divisors (see below), whose sum is σ = 48236160. Its totient is φ = 41969664.

The previous prime is 45042511. The next prime is 45042541. The reversal of 45042533 is 33524054.

It is not a de Polignac number, because 45042533 - 2¹² = 45038437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45042553) 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, 233285 + ... + 233477.

It is an arithmetic number, because the mean of its divisors is an integer number (3014760).

Almost surely, 2^45042533 is an apocalyptic number.

It is an amenable number.

45042533 is a deficient number, since it is larger than the sum of its proper divisors (3193627).

45042533 is a wasteful number, since it uses less digits than its factorization.

45042533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 45042533 is about 6711.3734063901. The cubic root of 45042533 is about 355.8013583780.

Adding to 45042533 its reverse (33524054), we get a palindrome (78566587).

The spelling of 45042533 in words is "forty-five million, forty-two thousand, five hundred thirty-three".