145412211003525 has 60 divisors (see below), whose sum is σ = 269393533643872. Its totient is φ = 77541704624160.

The previous prime is 145412211003523. The next prime is 145412211003649. The reversal of 145412211003525 is 525300112214541.

145412211003525 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 1 + 2 + 21 + 100 + 3 + 525 = 666.

It is not a de Polignac number, because 145412211003525 - 2¹ = 145412211003523 is a prime.

It is a super-2 number, since 2×145412211003525² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145412211003525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145412211003523) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8386152 + ... + 19003998.

Almost surely, 2^{145412211003525} is an apocalyptic number.

145412211003525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145412211003525 is a deficient number, since it is larger than the sum of its proper divisors (123981322640347).

145412211003525 is a wasteful number, since it uses less digits than its factorization.

145412211003525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10624632 (or 10624618 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 145412211003525 in words is "one hundred forty-five trillion, four hundred twelve billion, two hundred eleven million, three thousand, five hundred twenty-five".