45133431 has 8 divisors (see below), whose sum is σ = 68774784. Its totient is φ = 25790520.

The previous prime is 45133397. The next prime is 45133433. The reversal of 45133431 is 13433154.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45133431 - 2¹⁰ = 45132407 is a prime.

It is a super-4 number, since 4×45133431⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45133433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074585 + ... + 1074626.

It is an arithmetic number, because the mean of its divisors is an integer number (8596848).

Almost surely, 2^45133431 is an apocalyptic number.

45133431 is a deficient number, since it is larger than the sum of its proper divisors (23641353).

45133431 is a wasteful number, since it uses less digits than its factorization.

45133431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149221.

The product of its digits is 2160, while the sum is 24.

The square root of 45133431 is about 6718.1419306234. The cubic root of 45133431 is about 356.0405389807.

Adding to 45133431 its reverse (13433154), we get a palindrome (58566585).

The spelling of 45133431 in words is "forty-five million, one hundred thirty-three thousand, four hundred thirty-one".