45688277 has 4 divisors (see below), whose sum is σ = 46660416. Its totient is φ = 44716140.

The previous prime is 45688249. The next prime is 45688289. The reversal of 45688277 is 77288654.

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 45688277 - 2⁶ = 45688213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 972091 = 45688277 / (4 + 5 + 6 + 8 + 8 + 2 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45688177) 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, 485999 + ... + 486092.

It is an arithmetic number, because the mean of its divisors is an integer number (11665104).

Almost surely, 2^45688277 is an apocalyptic number.

45688277 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

45688277 is a deficient number, since it is larger than the sum of its proper divisors (972139).

45688277 is an equidigital number, since it uses as much as digits as its factorization.

45688277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972138.

The product of its digits is 752640, while the sum is 47.

The square root of 45688277 is about 6759.3103938198. The cubic root of 45688277 is about 357.4935907697.

The spelling of 45688277 in words is "forty-five million, six hundred eighty-eight thousand, two hundred seventy-seven".