145446555116025 has 18 divisors (see below), whose sum is σ = 260510940941550. Its totient is φ = 77571496061760.

The previous prime is 145446555116021. The next prime is 145446555116029. The reversal of 145446555116025 is 520611555644541.

145446555116025 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 4 + 6 + 5 + 551 + 1 + 60 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (145446555116021) and next prime (145446555116029).

It can be written as a sum of positive squares in 3 ways, for example, as 30966420303504 + 114480134812521 = 5564748^2 + 10699539^2 .

It is not a de Polignac number, because 145446555116025 - 2² = 145446555116021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145446555116021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 323214566700 + ... + 323214567149.

Almost surely, 2^{145446555116025} is an apocalyptic number.

145446555116025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145446555116025 is a deficient number, since it is larger than the sum of its proper divisors (115064385825525).

145446555116025 is a wasteful number, since it uses less digits than its factorization.

145446555116025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646429133865 (or 646429133857 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 54.

The spelling of 145446555116025 in words is "one hundred forty-five trillion, four hundred forty-six billion, five hundred fifty-five million, one hundred sixteen thousand, twenty-five".