455240542 has 4 divisors (see below), whose sum is σ = 682860816. Its totient is φ = 227620270.

The previous prime is 455240537. The next prime is 455240573. The reversal of 455240542 is 245042554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245042554 = 2 ⋅122521277.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113810134 + ... + 113810137.

It is an arithmetic number, because the mean of its divisors is an integer number (170715204).

Almost surely, 2^455240542 is an apocalyptic number.

455240542 is a deficient number, since it is larger than the sum of its proper divisors (227620274).

455240542 is a wasteful number, since it uses less digits than its factorization.

455240542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227620273.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 455240542 is about 21336.3666541424. The cubic root of 455240542 is about 769.2726825301.

The spelling of 455240542 in words is "four hundred fifty-five million, two hundred forty thousand, five hundred forty-two".