142179057 has 16 divisors (see below), whose sum is σ = 213239360. Its totient is φ = 94784580.

The previous prime is 142179053. The next prime is 142179061. The reversal of 142179057 is 750971241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142179053) and next prime (142179061).

It is not a de Polignac number, because 142179057 - 2² = 142179053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142179053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30319 + ... + 34692.

It is an arithmetic number, because the mean of its divisors is an integer number (13327460).

Almost surely, 2^142179057 is an apocalyptic number.

It is an amenable number.

142179057 is a deficient number, since it is larger than the sum of its proper divisors (71060303).

142179057 is an frugal number, since it uses more digits than its factorization.

142179057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65032 (or 65014 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 142179057 is about 11923.8859857011. The cubic root of 142179057 is about 521.9295386463.

The spelling of 142179057 in words is "one hundred forty-two million, one hundred seventy-nine thousand, fifty-seven".