457378015 has 4 divisors (see below), whose sum is σ = 548853624. Its totient is φ = 365902408.

The previous prime is 457378003. The next prime is 457378021. The reversal of 457378015 is 510873754.

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

It is a cyclic number.

It is not a de Polignac number, because 457378015 - 2⁵ = 457377983 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 45737797 + ... + 45737806.

It is an arithmetic number, because the mean of its divisors is an integer number (137213406).

Almost surely, 2^457378015 is an apocalyptic number.

457378015 is a deficient number, since it is larger than the sum of its proper divisors (91475609).

457378015 is an equidigital number, since it uses as much as digits as its factorization.

457378015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91475608.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 457378015 is about 21386.3978967941. The cubic root of 457378015 is about 770.4747816822.

The spelling of 457378015 in words is "four hundred fifty-seven million, three hundred seventy-eight thousand, fifteen".