142602272 has 18 divisors (see below), whose sum is σ = 280881279. Its totient is φ = 71267360.

The previous prime is 142602269. The next prime is 142602281. The reversal of 142602272 is 272206241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 71301136 + 71301136 = 8444^2 + 8444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8444.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 66497 + ... + 68607.

Almost surely, 2^142602272 is an apocalyptic number.

It is an amenable number.

142602272 is a deficient number, since it is larger than the sum of its proper divisors (138279007).

142602272 is an frugal number, since it uses more digits than its factorization.

142602272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 142602272 is about 11941.6193206784. The cubic root of 142602272 is about 522.4468900483.

The spelling of 142602272 in words is "one hundred forty-two million, six hundred two thousand, two hundred seventy-two".