45037021273 has 4 divisors (see below), whose sum is σ = 45038053888. Its totient is φ = 45035988660.

The previous prime is 45037021243. The next prime is 45037021313. The reversal of 45037021273 is 37212073054.

45037021273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45037021273 - 2²⁵ = 45003466841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45037021213) 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, 447861 + ... + 539122.

It is an arithmetic number, because the mean of its divisors is an integer number (11259513472).

Almost surely, 2^45037021273 is an apocalyptic number.

It is an amenable number.

45037021273 is a deficient number, since it is larger than the sum of its proper divisors (1032615).

45037021273 is an equidigital number, since it uses as much as digits as its factorization.

45037021273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032614.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 45037021273 in words is "forty-five billion, thirty-seven million, twenty-one thousand, two hundred seventy-three".