142670972 has 24 divisors (see below), whose sum is σ = 252972720. Its totient is φ = 70398720.

The previous prime is 142670971. The next prime is 142670977. The reversal of 142670972 is 279076241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142670971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146447 + ... + 147417.

It is an arithmetic number, because the mean of its divisors is an integer number (10540530).

Almost surely, 2^142670972 is an apocalyptic number.

It is an amenable number.

142670972 is a deficient number, since it is larger than the sum of its proper divisors (110301748).

142670972 is a wasteful number, since it uses less digits than its factorization.

142670972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 142670972 is about 11944.4954686249. The cubic root of 142670972 is about 522.5307744975.

The spelling of 142670972 in words is "one hundred forty-two million, six hundred seventy thousand, nine hundred seventy-two".