1252452500145 has 384 divisors, whose sum is σ = 2925567590400. Its totient is φ = 509337642240.

The previous prime is 1252452500137. The next prime is 1252452500149. The reversal of 1252452500145 is 5410052542521.

1252452500145 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 4 + 5 + 2 + 500 + 145 = 666.

It is not a de Polignac number, because 1252452500145 - 2³ = 1252452500137 is a prime.

It is a super-2 number, since 2×1252452500145² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252452500149) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 215454259 + ... + 215460071.

It is an arithmetic number, because the mean of its divisors is an integer number (7618665600).

Almost surely, 2^{1252452500145} is an apocalyptic number.

1252452500145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252452500145 is an abundant number, since it is smaller than the sum of its proper divisors (1673115090255).

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

1252452500145 is an equidigital number, since it uses as much as digits as its factorization.

1252452500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912 (or 5886 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 1252452500145 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-two million, five hundred thousand, one hundred forty-five".