455339942 has 4 divisors (see below), whose sum is σ = 683009916. Its totient is φ = 227669970.

The previous prime is 455339923. The next prime is 455339957. The reversal of 455339942 is 249933554.

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

It is a junction number, because it is equal to n+sod(n) for n = 455339893 and 455339902.

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, 113834984 + ... + 113834987.

It is an arithmetic number, because the mean of its divisors is an integer number (170752479).

Almost surely, 2^455339942 is an apocalyptic number.

455339942 is a deficient number, since it is larger than the sum of its proper divisors (227669974).

455339942 is a wasteful number, since it uses less digits than its factorization.

455339942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227669973.

The product of its digits is 583200, while the sum is 44.

The square root of 455339942 is about 21338.6958833008. The cubic root of 455339942 is about 769.3286676873.

The spelling of 455339942 in words is "four hundred fifty-five million, three hundred thirty-nine thousand, nine hundred forty-two".