456179642 has 4 divisors (see below), whose sum is σ = 684269466. Its totient is φ = 228089820.

The previous prime is 456179641. The next prime is 456179707. The reversal of 456179642 is 246971654.

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

It can be written as a sum of positive squares in only one way, i.e., 333391081 + 122788561 = 18259^2 + 11081^2 .

It is a junction number, because it is equal to n+sod(n) for n = 456179593 and 456179602.

It is not an unprimeable number, because it can be changed into a prime (456179641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114044909 + ... + 114044912.

Almost surely, 2^456179642 is an apocalyptic number.

456179642 is a deficient number, since it is larger than the sum of its proper divisors (228089824).

456179642 is a wasteful number, since it uses less digits than its factorization.

456179642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228089823.

The product of its digits is 362880, while the sum is 44.

The square root of 456179642 is about 21358.3623435880. The cubic root of 456179642 is about 769.8012879035.

The spelling of 456179642 in words is "four hundred fifty-six million, one hundred seventy-nine thousand, six hundred forty-two".