1457212515228 has 36 divisors (see below), whose sum is σ = 3691713261600. Its totient is φ = 484655678976.

The previous prime is 1457212515191. The next prime is 1457212515229. The reversal of 1457212515228 is 8225152127541.

1457212515228 is a `hidden beast` number, since 1 + 4 + 5 + 72 + 1 + 2 + 51 + 522 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1457212515228² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457212515229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45059700 + ... + 45092027.

It is an arithmetic number, because the mean of its divisors is an integer number (102547590600).

Almost surely, 2^{1457212515228} is an apocalyptic number.

1457212515228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1457212515228 is an abundant number, since it is smaller than the sum of its proper divisors (2234500746372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457212515228 is a wasteful number, since it uses less digits than its factorization.

1457212515228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90152186 (or 90152181 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The spelling of 1457212515228 in words is "one trillion, four hundred fifty-seven billion, two hundred twelve million, five hundred fifteen thousand, two hundred twenty-eight".