45771377 has 4 divisors (see below), whose sum is σ = 45785316. Its totient is φ = 45757440.

The previous prime is 45771359. The next prime is 45771379. The reversal of 45771377 is 77317754.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77317754 = 2 ⋅38658877.

It can be written as a sum of positive squares in 2 ways, for example, as 16654561 + 29116816 = 4081^2 + 5396^2 .

It is a cyclic number.

It is not a de Polignac number, because 45771377 - 2¹⁴ = 45754993 is a prime.

It is a super-2 number, since 2×45771377² = 4190037904952258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45771379) 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, 977 + ... + 9617.

It is an arithmetic number, because the mean of its divisors is an integer number (11446329).

Almost surely, 2^45771377 is an apocalyptic number.

It is an amenable number.

45771377 is a deficient number, since it is larger than the sum of its proper divisors (13939).

45771377 is an equidigital number, since it uses as much as digits as its factorization.

45771377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938.

The product of its digits is 144060, while the sum is 41.

The square root of 45771377 is about 6765.4546779947. The cubic root of 45771377 is about 357.7102015815.

The spelling of 45771377 in words is "forty-five million, seven hundred seventy-one thousand, three hundred seventy-seven".