45277 has 4 divisors (see below), whose sum is σ = 47680. Its totient is φ = 42876.

The previous prime is 45263. The next prime is 45281. The reversal of 45277 is 77254.

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 a de Polignac number, because none of the positive numbers 2^k-45277 is a prime.

It is a Duffinian number.

45277 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45247) 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, 1173 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (11920).

2⁴⁵²⁷⁷ is an apocalyptic number.

It is an amenable number.

45277 is a deficient number, since it is larger than the sum of its proper divisors (2403).

45277 is a wasteful number, since it uses less digits than its factorization.

45277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its digits is 1960, while the sum is 25.

The square root of 45277 is about 212.7839279645. The cubic root of 45277 is about 35.6417659874.

It can be divided in two parts, 452 and 77, that added together give a square (529 = 23²).

The spelling of 45277 in words is "forty-five thousand, two hundred seventy-seven".