142180156 has 12 divisors (see below), whose sum is σ = 257395320. Its totient is φ = 68638640.

The previous prime is 142180153. The next prime is 142180177. The reversal of 142180156 is 651081241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142180151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612730 + ... + 612961.

It is an arithmetic number, because the mean of its divisors is an integer number (21449610).

Almost surely, 2^142180156 is an apocalyptic number.

It is an amenable number.

142180156 is a deficient number, since it is larger than the sum of its proper divisors (115215164).

142180156 is a wasteful number, since it uses less digits than its factorization.

142180156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225724 (or 1225722 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 142180156 is about 11923.9320695817. The cubic root of 142180156 is about 521.9308834273.

The spelling of 142180156 in words is "one hundred forty-two million, one hundred eighty thousand, one hundred fifty-six".