455140454 has 4 divisors (see below), whose sum is σ = 682710684. Its totient is φ = 227570226.

The previous prime is 455140453. The next prime is 455140457. The reversal of 455140454 is 454041554.

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

It is a super-2 number, since 2×455140454² = 414305665734652232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 455140454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455140451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113785112 + ... + 113785115.

It is an arithmetic number, because the mean of its divisors is an integer number (170677671).

Almost surely, 2^455140454 is an apocalyptic number.

455140454 is a deficient number, since it is larger than the sum of its proper divisors (227570230).

455140454 is a wasteful number, since it uses less digits than its factorization.

455140454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227570229.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 455140454 is about 21334.0210462069. The cubic root of 455140454 is about 769.2163016351.

The spelling of 455140454 in words is "four hundred fifty-five million, one hundred forty thousand, four hundred fifty-four".