45405432289 has 16 divisors (see below), whose sum is σ = 52834304896. Its totient is φ = 38214374400.

The previous prime is 45405432263. The next prime is 45405432323. The reversal of 45405432289 is 98223450454.

It is a cyclic number.

It is not a de Polignac number, because 45405432289 - 2⁷ = 45405432161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45405432239) 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, 154234 + ... + 338524.

It is an arithmetic number, because the mean of its divisors is an integer number (3302144056).

Almost surely, 2^45405432289 is an apocalyptic number.

It is an amenable number.

45405432289 is a deficient number, since it is larger than the sum of its proper divisors (7428872607).

45405432289 is a wasteful number, since it uses less digits than its factorization.

45405432289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184936.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 45405432289 in words is "forty-five billion, four hundred five million, four hundred thirty-two thousand, two hundred eighty-nine".