45076381 has 4 divisors (see below), whose sum is σ = 51515872. Its totient is φ = 38636892.

The previous prime is 45076357. The next prime is 45076391. The reversal of 45076381 is 18367054.

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 not a de Polignac number, because 45076381 - 2⁵ = 45076349 is a prime.

It is a super-2 number, since 2×45076381² = 4063760248114322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45076321) 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, 3219735 + ... + 3219748.

It is an arithmetic number, because the mean of its divisors is an integer number (12878968).

Almost surely, 2^45076381 is an apocalyptic number.

It is an amenable number.

45076381 is a deficient number, since it is larger than the sum of its proper divisors (6439491).

45076381 is an equidigital number, since it uses as much as digits as its factorization.

45076381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439490.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 45076381 is about 6713.8946223485. The cubic root of 45076381 is about 355.8904604492.

The spelling of 45076381 in words is "forty-five million, seventy-six thousand, three hundred eighty-one".