142557475185 has 48 divisors (see below), whose sum is σ = 258077664000. Its totient is φ = 72658810752.

The previous prime is 142557475169. The next prime is 142557475189. The reversal of 142557475185 is 581574755241.

142557475185 is a `hidden beast` number, since 1 + 4 + 2 + 55 + 74 + 7 + 518 + 5 = 666.

It is not a de Polignac number, because 142557475185 - 2⁴ = 142557475169 is a prime.

It is a super-2 number, since 2×142557475185² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142557475189) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1085716 + ... + 1209914.

It is an arithmetic number, because the mean of its divisors is an integer number (5376618000).

Almost surely, 2^142557475185 is an apocalyptic number.

142557475185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142557475185 is a deficient number, since it is larger than the sum of its proper divisors (115520188815).

142557475185 is a wasteful number, since it uses less digits than its factorization.

142557475185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125342 (or 125339 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 54.

The spelling of 142557475185 in words is "one hundred forty-two billion, five hundred fifty-seven million, four hundred seventy-five thousand, one hundred eighty-five".