45377443 has 4 divisors (see below), whose sum is σ = 45396360. Its totient is φ = 45358528.

The previous prime is 45377417. The next prime is 45377461. The reversal of 45377443 is 34477354.

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 45377443 - 2⁵ = 45377411 is a prime.

It is a super-2 number, since 2×45377443² = 4118224666436498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45377543) 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, 5230 + ... + 10867.

It is an arithmetic number, because the mean of its divisors is an integer number (11349090).

Almost surely, 2^45377443 is an apocalyptic number.

45377443 is a deficient number, since it is larger than the sum of its proper divisors (18917).

45377443 is a wasteful number, since it uses less digits than its factorization.

45377443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18916.

The product of its digits is 141120, while the sum is 37.

The square root of 45377443 is about 6736.2781266809. The cubic root of 45377443 is about 356.6810255183.

The spelling of 45377443 in words is "forty-five million, three hundred seventy-seven thousand, four hundred forty-three".