152453545209 has 27 divisors (see below), whose sum is σ = 256177218063. Its totient is φ = 87111626112.

The previous prime is 152453545199. The next prime is 152453545241. The reversal of 152453545209 is 902545354251.

The square root of 152453545209 is 390453.

It is a perfect power (a square), and thus also a powerful number.

152453545209 is a `hidden beast` number, since 1 + 5 + 24 + 53 + 54 + 520 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88610405625 + 63843139584 = 297675^2 + 252672^2 .

It is not a de Polignac number, because 152453545209 - 2²⁹ = 151916674297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152453545259) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8190217 + ... + 8208809.

Almost surely, 2^152453545209 is an apocalyptic number.

152453545209 is the 390453-rd square number.

152453545209 is the 195227-th centered octagonal number.

It is an amenable number.

152453545209 is a deficient number, since it is larger than the sum of its proper divisors (103723672854).

152453545209 is an frugal number, since it uses more digits than its factorization.

152453545209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37206 (or 18603 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 152453545209 in words is "one hundred fifty-two billion, four hundred fifty-three million, five hundred forty-five thousand, two hundred nine".