45531429 has 16 divisors (see below), whose sum is σ = 64478400. Its totient is φ = 28498176.

The previous prime is 45531427. The next prime is 45531449. The reversal of 45531429 is 92413554.

It is not a de Polignac number, because 45531429 - 2¹ = 45531427 is a prime.

It is a super-2 number, since 2×45531429² = 4146222053564082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45531429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531427) 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, 2907 + ... + 9975.

It is an arithmetic number, because the mean of its divisors is an integer number (4029900).

Almost surely, 2^45531429 is an apocalyptic number.

It is an amenable number.

45531429 is a deficient number, since it is larger than the sum of its proper divisors (18946971).

45531429 is a wasteful number, since it uses less digits than its factorization.

45531429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204.

The product of its digits is 21600, while the sum is 33.

The square root of 45531429 is about 6747.6980519285. The cubic root of 45531429 is about 357.0840295258.

The spelling of 45531429 in words is "forty-five million, five hundred thirty-one thousand, four hundred twenty-nine".