454921642 has 8 divisors (see below), whose sum is σ = 779865696. Its totient is φ = 194966412.

The previous prime is 454921633. The next prime is 454921667. The reversal of 454921642 is 246129454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16247188 + ... + 16247215.

It is an arithmetic number, because the mean of its divisors is an integer number (97483212).

Almost surely, 2^454921642 is an apocalyptic number.

454921642 is a deficient number, since it is larger than the sum of its proper divisors (324944054).

454921642 is a wasteful number, since it uses less digits than its factorization.

454921642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32494412.

The product of its digits is 69120, while the sum is 37.

The square root of 454921642 is about 21328.8921887659. The cubic root of 454921642 is about 769.0930131456.

The spelling of 454921642 in words is "four hundred fifty-four million, nine hundred twenty-one thousand, six hundred forty-two".