455215242 has 16 divisors (see below), whose sum is σ = 920661120. Its totient is φ = 150033312.

The previous prime is 455215237. The next prime is 455215247. The reversal of 455215242 is 242512554.

It is an interprime number because it is at equal distance from previous prime (455215237) and next prime (455215247).

It is not an unprimeable number, because it can be changed into a prime (455215247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425698 + ... + 426765.

It is an arithmetic number, because the mean of its divisors is an integer number (57541320).

Almost surely, 2^455215242 is an apocalyptic number.

455215242 is an abundant number, since it is smaller than the sum of its proper divisors (465445878).

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

455215242 is a wasteful number, since it uses less digits than its factorization.

455215242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852557.

The product of its digits is 16000, while the sum is 30.

The square root of 455215242 is about 21335.7737614552. The cubic root of 455215242 is about 769.2584314857.

Adding to 455215242 its reverse (242512554), we get a palindrome (697727796).

The spelling of 455215242 in words is "four hundred fifty-five million, two hundred fifteen thousand, two hundred forty-two".