45243032651 has 4 divisors (see below), whose sum is σ = 45254616552. Its totient is φ = 45231448752.

The previous prime is 45243032633. The next prime is 45243032663. The reversal of 45243032651 is 15623034254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45243032651 - 2²⁶ = 45175923787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45243032251) 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, 5786090 + ... + 5793903.

It is an arithmetic number, because the mean of its divisors is an integer number (11313654138).

Almost surely, 2^45243032651 is an apocalyptic number.

45243032651 is a deficient number, since it is larger than the sum of its proper divisors (11583901).

45243032651 is a wasteful number, since it uses less digits than its factorization.

45243032651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583900.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 45243032651 in words is "forty-five billion, two hundred forty-three million, thirty-two thousand, six hundred fifty-one".