45231533 has 4 divisors (see below), whose sum is σ = 47612160. Its totient is φ = 42850908.

The previous prime is 45231521. The next prime is 45231539. The reversal of 45231533 is 33513254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45231533 - 2¹⁰ = 45230509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45231539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190285 + ... + 1190322.

It is an arithmetic number, because the mean of its divisors is an integer number (11903040).

Almost surely, 2^45231533 is an apocalyptic number.

It is an amenable number.

45231533 is a deficient number, since it is larger than the sum of its proper divisors (2380627).

45231533 is a wasteful number, since it uses less digits than its factorization.

45231533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380626.

The product of its digits is 5400, while the sum is 26.

The square root of 45231533 is about 6725.4392421611. The cubic root of 45231533 is about 356.2983154743.

Adding to 45231533 its reverse (33513254), we get a palindrome (78744787).

The spelling of 45231533 in words is "forty-five million, two hundred thirty-one thousand, five hundred thirty-three".