45212544023 has 4 divisors (see below), whose sum is σ = 45267215400. Its totient is φ = 45157872648.

The previous prime is 45212543983. The next prime is 45212544079. The reversal of 45212544023 is 32044521254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45212544023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212544823) 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, 27334448 + ... + 27336101.

It is an arithmetic number, because the mean of its divisors is an integer number (11316803850).

Almost surely, 2^45212544023 is an apocalyptic number.

45212544023 is a deficient number, since it is larger than the sum of its proper divisors (54671377).

45212544023 is an equidigital number, since it uses as much as digits as its factorization.

45212544023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54671376.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 45212544023 in words is "forty-five billion, two hundred twelve million, five hundred forty-four thousand, twenty-three".