455742294 has 64 divisors (see below), whose sum is σ = 1074855936. Its totient is φ = 126118944.

The previous prime is 455742281. The next prime is 455742299. The reversal of 455742294 is 492247554.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455742299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228369 + ... + 230355.

It is an arithmetic number, because the mean of its divisors is an integer number (16794624).

Almost surely, 2^455742294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455742294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537427968).

455742294 is an abundant number, since it is smaller than the sum of its proper divisors (619113642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455742294 is a wasteful number, since it uses less digits than its factorization.

455742294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169.

The product of its digits is 403200, while the sum is 42.

The square root of 455742294 is about 21348.1215567084. The cubic root of 455742294 is about 769.5552015880. Note that the first 3 decimals are identical.

The spelling of 455742294 in words is "four hundred fifty-five million, seven hundred forty-two thousand, two hundred ninety-four".