45377831 has 8 divisors (see below), whose sum is σ = 46929024. Its totient is φ = 43832160.

The previous prime is 45377809. The next prime is 45377851. The reversal of 45377831 is 13877354.

45377831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45377831 - 2¹⁴ = 45361447 is a prime.

It is a super-2 number, since 2×45377831² = 4118295092529122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45377851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21725 + ... + 23721.

It is an arithmetic number, because the mean of its divisors is an integer number (5866128).

Almost surely, 2^45377831 is an apocalyptic number.

45377831 is a deficient number, since it is larger than the sum of its proper divisors (1551193).

45377831 is a wasteful number, since it uses less digits than its factorization.

45377831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

The product of its digits is 70560, while the sum is 38.

The square root of 45377831 is about 6736.3069259053. The cubic root of 45377831 is about 356.6820421163.

The spelling of 45377831 in words is "forty-five million, three hundred seventy-seven thousand, eight hundred thirty-one".