455122639 has 4 divisors (see below), whose sum is σ = 456179040. Its totient is φ = 454066240.

The previous prime is 455122627. The next prime is 455122649. The reversal of 455122639 is 936221554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455122639 - 2¹⁵ = 455089871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455122598 and 455122607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455122649) 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, 527554 + ... + 528415.

It is an arithmetic number, because the mean of its divisors is an integer number (114044760).

Almost surely, 2^455122639 is an apocalyptic number.

455122639 is a deficient number, since it is larger than the sum of its proper divisors (1056401).

455122639 is a wasteful number, since it uses less digits than its factorization.

455122639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056400.

The product of its digits is 64800, while the sum is 37.

The square root of 455122639 is about 21333.6035165183. The cubic root of 455122639 is about 769.2062653433.

The spelling of 455122639 in words is "four hundred fifty-five million, one hundred twenty-two thousand, six hundred thirty-nine".