142690236 has 48 divisors (see below), whose sum is σ = 359606688. Its totient is φ = 43776000.

The previous prime is 142690189. The next prime is 142690267. The reversal of 142690236 is 632096241.

It is a junction number, because it is equal to n+sod(n) for n = 142690197 and 142690206.

It is a congruent number.

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, 61416 + ... + 63696.

It is an arithmetic number, because the mean of its divisors is an integer number (7491806).

Almost surely, 2^142690236 is an apocalyptic number.

It is an amenable number.

142690236 is an abundant number, since it is smaller than the sum of its proper divisors (216916452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142690236 is a wasteful number, since it uses less digits than its factorization.

142690236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2700 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 142690236 is about 11945.3018379612. The cubic root of 142690236 is about 522.5542914976.

The spelling of 142690236 in words is "one hundred forty-two million, six hundred ninety thousand, two hundred thirty-six".