457515812 has 12 divisors (see below), whose sum is σ = 862241436. Its totient is φ = 211161120.

The previous prime is 457515811. The next prime is 457515823. The reversal of 457515812 is 218515754.

It can be written as a sum of positive squares in 2 ways, for example, as 311734336 + 145781476 = 17656^2 + 12074^2 .

It is not an unprimeable number, because it can be changed into a prime (457515811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4399139 + ... + 4399242.

It is an arithmetic number, because the mean of its divisors is an integer number (71853453).

Almost surely, 2^457515812 is an apocalyptic number.

It is an amenable number.

457515812 is a deficient number, since it is larger than the sum of its proper divisors (404725624).

457515812 is a wasteful number, since it uses less digits than its factorization.

457515812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798398 (or 8798396 counting only the distinct ones).

The product of its digits is 56000, while the sum is 38.

The square root of 457515812 is about 21389.6192579485. The cubic root of 457515812 is about 770.5521490893.

The spelling of 457515812 in words is "four hundred fifty-seven million, five hundred fifteen thousand, eight hundred twelve".