142669832 has 36 divisors (see below), whose sum is σ = 276877485. Its totient is φ = 68919360.

The previous prime is 142669823. The next prime is 142669853. The reversal of 142669832 is 238966241.

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 2 ways, for example, as 101888836 + 40780996 = 10094^2 + 6386^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8446.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142669832.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1385093 + ... + 1385195.

Almost surely, 2^142669832 is an apocalyptic number.

It is an amenable number.

142669832 is a deficient number, since it is larger than the sum of its proper divisors (134207653).

142669832 is an equidigital number, since it uses as much as digits as its factorization.

142669832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 146 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 142669832 is about 11944.4477478032. The cubic root of 142669832 is about 522.5293827482.

The spelling of 142669832 in words is "one hundred forty-two million, six hundred sixty-nine thousand, eight hundred thirty-two".