455139 has 12 divisors (see below), whose sum is σ = 682136. Its totient is φ = 303264.

The previous prime is 455123. The next prime is 455149. The reversal of 455139 is 931554.

It is not a de Polignac number, because 455139 - 2⁴ = 455123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 455139.

It is not an unprimeable number, because it can be changed into a prime (455149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694 + ... + 1179.

2⁴⁵⁵¹³⁹ is an apocalyptic number.

455139 is a deficient number, since it is larger than the sum of its proper divisors (226997).

455139 is an equidigital number, since it uses as much as digits as its factorization.

455139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1876 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 455139 is about 674.6399039488. The cubic root of 455139 is about 76.9215482517.

It can be divided in two parts, 45 and 5139, that added together give a square (5184 = 72²).

The spelling of 455139 in words is "four hundred fifty-five thousand, one hundred thirty-nine".