45277131 has 8 divisors (see below), whose sum is σ = 61392960. Its totient is φ = 29673032.

The previous prime is 45277129. The next prime is 45277139. The reversal of 45277131 is 13177254.

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 45277131 - 2¹ = 45277129 is a prime.

It is a super-2 number, since 2×45277131² = 4100037183182322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45277139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127725 + ... + 128078.

It is an arithmetic number, because the mean of its divisors is an integer number (7674120).

Almost surely, 2^45277131 is an apocalyptic number.

45277131 is a deficient number, since it is larger than the sum of its proper divisors (16115829).

45277131 is a wasteful number, since it uses less digits than its factorization.

45277131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255865.

The product of its digits is 5880, while the sum is 30.

The square root of 45277131 is about 6728.8283526926. The cubic root of 45277131 is about 356.4180036151.

The spelling of 45277131 in words is "forty-five million, two hundred seventy-seven thousand, one hundred thirty-one".