45677561 has 4 divisors (see below), whose sum is σ = 46649472. Its totient is φ = 44705652.

The previous prime is 45677549. The next prime is 45677587. The reversal of 45677561 is 16577654.

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 a cyclic number.

It is not a de Polignac number, because 45677561 - 2⁶ = 45677497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45677531) 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, 485885 + ... + 485978.

It is an arithmetic number, because the mean of its divisors is an integer number (11662368).

Almost surely, 2^45677561 is an apocalyptic number.

It is an amenable number.

45677561 is a deficient number, since it is larger than the sum of its proper divisors (971911).

45677561 is an equidigital number, since it uses as much as digits as its factorization.

45677561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971910.

The product of its digits is 176400, while the sum is 41.

The square root of 45677561 is about 6758.5176629199. The cubic root of 45677561 is about 357.4656390272.

The spelling of 45677561 in words is "forty-five million, six hundred seventy-seven thousand, five hundred sixty-one".