455247451 has 4 divisors (see below), whose sum is σ = 456045304. Its totient is φ = 454449600.

The previous prime is 455247449. The next prime is 455247461. The reversal of 455247451 is 154742554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154742554 = 2 ⋅77371277.

It is a cyclic number.

It is not a de Polignac number, because 455247451 - 2¹ = 455247449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455247451.

It is not an unprimeable number, because it can be changed into a prime (455247461) 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, 398070 + ... + 399211.

It is an arithmetic number, because the mean of its divisors is an integer number (114011326).

Almost surely, 2^455247451 is an apocalyptic number.

455247451 is a deficient number, since it is larger than the sum of its proper divisors (797853).

455247451 is an equidigital number, since it uses as much as digits as its factorization.

455247451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797852.

The product of its digits is 112000, while the sum is 37.

The square root of 455247451 is about 21336.5285601946. The cubic root of 455247451 is about 769.2765741563.

It can be divided in two parts, 45524 and 7451, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 455247451 in words is "four hundred fifty-five million, two hundred forty-seven thousand, four hundred fifty-one".