45449793 has 6 divisors (see below), whose sum is σ = 65649714. Its totient is φ = 30299856.

The previous prime is 45449749. The next prime is 45449797. The reversal of 45449793 is 39794454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33732864 + 11716929 = 5808^2 + 3423^2 .

It is not a de Polignac number, because 45449793 - 2¹³ = 45441601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45449797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2524980 + ... + 2524997.

It is an arithmetic number, because the mean of its divisors is an integer number (10941619).

Almost surely, 2^45449793 is an apocalyptic number.

It is an amenable number.

45449793 is a deficient number, since it is larger than the sum of its proper divisors (20199921).

45449793 is a wasteful number, since it uses less digits than its factorization.

45449793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049983 (or 5049980 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 45449793 is about 6741.6461639573. The cubic root of 45449793 is about 356.8704894724.

The spelling of 45449793 in words is "forty-five million, four hundred forty-nine thousand, seven hundred ninety-three".