456138542 has 8 divisors (see below), whose sum is σ = 685294032. Its totient is φ = 227707200.

The previous prime is 456138533. The next prime is 456138563. The reversal of 456138542 is 245831654.

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

It is a junction number, because it is equal to n+sod(n) for n = 456138496 and 456138505.

It is a congruent number.

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, 179459 + ... + 181982.

It is an arithmetic number, because the mean of its divisors is an integer number (85661754).

Almost surely, 2^456138542 is an apocalyptic number.

456138542 is a deficient number, since it is larger than the sum of its proper divisors (229155490).

456138542 is a wasteful number, since it uses less digits than its factorization.

456138542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362074.

The product of its digits is 115200, while the sum is 38.

The square root of 456138542 is about 21357.4001694963. The cubic root of 456138542 is about 769.7781685150.

The spelling of 456138542 in words is "four hundred fifty-six million, one hundred thirty-eight thousand, five hundred forty-two".