45070273 has 4 divisors (see below), whose sum is σ = 45687748. Its totient is φ = 44452800.

The previous prime is 45070237. The next prime is 45070283. The reversal of 45070273 is 37207054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15116544 + 29953729 = 3888^2 + 5473^2 .

It is a cyclic number.

It is not a de Polignac number, because 45070273 - 2²⁵ = 11515841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45070283) 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, 308628 + ... + 308773.

It is an arithmetic number, because the mean of its divisors is an integer number (11421937).

Almost surely, 2^45070273 is an apocalyptic number.

It is an amenable number.

45070273 is a deficient number, since it is larger than the sum of its proper divisors (617475).

45070273 is an equidigital number, since it uses as much as digits as its factorization.

45070273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617474.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 45070273 is about 6713.4397293787. The cubic root of 45070273 is about 355.8743849416.

It can be divided in two parts, 450702 and 73, that added together give a triangular number (450775 = T₉₄₉).

The spelling of 45070273 in words is "forty-five million, seventy thousand, two hundred seventy-three".