142693185225 has 24 divisors (see below), whose sum is σ = 243529706752. Its totient is φ = 73648094400.

The previous prime is 142693185221. The next prime is 142693185241. The reversal of 142693185225 is 522581396241.

It is not a de Polignac number, because 142693185225 - 2² = 142693185221 is a prime.

It is a super-2 number, since 2×142693185225² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142693185221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30684382 + ... + 30689031.

Almost surely, 2^142693185225 is an apocalyptic number.

142693185225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142693185225 is a deficient number, since it is larger than the sum of its proper divisors (100836521527).

142693185225 is a wasteful number, since it uses less digits than its factorization.

142693185225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61373457 (or 61373452 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The spelling of 142693185225 in words is "one hundred forty-two billion, six hundred ninety-three million, one hundred eighty-five thousand, two hundred twenty-five".