142320575 has 6 divisors (see below), whose sum is σ = 176477544. Its totient is φ = 113856440.

The previous prime is 142320569. The next prime is 142320587. The reversal of 142320575 is 575023241.

It is a happy number.

It is not a de Polignac number, because 142320575 - 2⁶ = 142320511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2846387 + ... + 2846436.

It is an arithmetic number, because the mean of its divisors is an integer number (29412924).

Almost surely, 2^142320575 is an apocalyptic number.

142320575 is a deficient number, since it is larger than the sum of its proper divisors (34156969).

142320575 is an equidigital number, since it uses as much as digits as its factorization.

142320575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692833 (or 5692828 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 142320575 is about 11929.8187329062. The cubic root of 142320575 is about 522.1026488385.

The spelling of 142320575 in words is "one hundred forty-two million, three hundred twenty thousand, five hundred seventy-five".