188142051 has 8 divisors (see below), whose sum is σ = 250919440. Its totient is φ = 125396352.

The previous prime is 188142037. The next prime is 188142083. The reversal of 188142051 is 150241881.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 188142051 - 2⁹ = 188141539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188142011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19215 + ... + 27303.

It is an arithmetic number, because the mean of its divisors is an integer number (31364930).

Almost surely, 2^188142051 is an apocalyptic number.

188142051 is a deficient number, since it is larger than the sum of its proper divisors (62777389).

188142051 is an equidigital number, since it uses as much as digits as its factorization.

188142051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15845.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 188142051 is about 13716.4882896462. The cubic root of 188142051 is about 573.0096791521.

The spelling of 188142051 in words is "one hundred eighty-eight million, one hundred forty-two thousand, fifty-one".