142517575225 has 9 divisors (see below), whose sum is σ = 176724133903. Its totient is φ = 114012550120.

The previous prime is 142517575219. The next prime is 142517575231. The reversal of 142517575225 is 522575715241.

The square root of 142517575225 is 377515.

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

It is an interprime number because it is at equal distance from previous prime (142517575219) and next prime (142517575231).

It can be written as a sum of positive squares in only one way, i.e., 51306327081 + 91211248144 = 226509^2 + 302012^2 .

It is not a de Polignac number, because 142517575225 - 2⁹ = 142517574713 is a prime.

It is a super-2 number, since 2×142517575225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1849824 + ... + 1925326.

Almost surely, 2^142517575225 is an apocalyptic number.

142517575225 is the 377515-th square number.

142517575225 is the 188758-th centered octagonal number.

It is an amenable number.

142517575225 is a deficient number, since it is larger than the sum of its proper divisors (34206558678).

142517575225 is an frugal number, since it uses more digits than its factorization.

142517575225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151016 (or 75508 counting only the distinct ones).

The product of its digits is 980000, while the sum is 46.

The spelling of 142517575225 in words is "one hundred forty-two billion, five hundred seventeen million, five hundred seventy-five thousand, two hundred twenty-five".