45529891 has 16 divisors (see below), whose sum is σ = 50761728. Its totient is φ = 40492000.

The previous prime is 45529877. The next prime is 45529901. The reversal of 45529891 is 19892554.

It is a cyclic number.

It is not a de Polignac number, because 45529891 - 2¹⁹ = 45005603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45529801) 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, 118686 + ... + 119068.

It is an arithmetic number, because the mean of its divisors is an integer number (3172608).

Almost surely, 2^45529891 is an apocalyptic number.

45529891 is a deficient number, since it is larger than the sum of its proper divisors (5231837).

45529891 is a wasteful number, since it uses less digits than its factorization.

45529891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its digits is 129600, while the sum is 43.

The square root of 45529891 is about 6747.5840861748. The cubic root of 45529891 is about 357.0800088495.

The spelling of 45529891 in words is "forty-five million, five hundred twenty-nine thousand, eight hundred ninety-one".