207155142 has 24 divisors (see below), whose sum is σ = 449248800. Its totient is φ = 68988240.

The previous prime is 207155131. The next prime is 207155171. The reversal of 207155142 is 241551702.

207155142 is a `hidden beast` number, since 2 + 0 + 71 + 551 + 42 = 666.

207155142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17484 + ... + 26832.

It is an arithmetic number, because the mean of its divisors is an integer number (18718700).

Almost surely, 2^207155142 is an apocalyptic number.

207155142 is an abundant number, since it is smaller than the sum of its proper divisors (242093658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207155142 is a wasteful number, since it uses less digits than its factorization.

207155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588 (or 10585 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 207155142 is about 14392.8851173071. The cubic root of 207155142 is about 591.6959172296.

The spelling of 207155142 in words is "two hundred seven million, one hundred fifty-five thousand, one hundred forty-two".