142156465 has 16 divisors (see below), whose sum is σ = 197043840. Its totient is φ = 97304320.

The previous prime is 142156453. The next prime is 142156489. The reversal of 142156465 is 564651241.

It is not a de Polignac number, because 142156465 - 2⁵ = 142156433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142156465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75085 + ... + 76954.

It is an arithmetic number, because the mean of its divisors is an integer number (12315240).

Almost surely, 2^142156465 is an apocalyptic number.

It is an amenable number.

142156465 is a deficient number, since it is larger than the sum of its proper divisors (54887375).

142156465 is a wasteful number, since it uses less digits than its factorization.

142156465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152072.

The product of its digits is 28800, while the sum is 34.

The square root of 142156465 is about 11922.9386058975. The cubic root of 142156465 is about 521.9018926226.

The spelling of 142156465 in words is "one hundred forty-two million, one hundred fifty-six thousand, four hundred sixty-five".