142259236 has 12 divisors (see below), whose sum is σ = 284518528. Its totient is φ = 60968232.

The previous prime is 142259233. The next prime is 142259237. The reversal of 142259236 is 632952241.

142259236 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (142259231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540316 + ... + 2540371.

Almost surely, 2^142259236 is an apocalyptic number.

It is an amenable number.

142259236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142259236 is a wasteful number, since it uses less digits than its factorization.

142259236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080698 (or 5080696 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 142259236 is about 11927.2476288539. The cubic root of 142259236 is about 522.0276307409.

The spelling of 142259236 in words is "one hundred forty-two million, two hundred fifty-nine thousand, two hundred thirty-six".