142669336 has 32 divisors (see below), whose sum is σ = 276513840. Its totient is φ = 68957568.

The previous prime is 142669333. The next prime is 142669343. The reversal of 142669336 is 633966241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142669333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46770 + ... + 49726.

Almost surely, 2^142669336 is an apocalyptic number.

It is an amenable number.

142669336 is a deficient number, since it is larger than the sum of its proper divisors (133844504).

142669336 is a wasteful number, since it uses less digits than its factorization.

142669336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163 (or 3159 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 142669336 is about 11944.4269850002. The cubic root of 142669336 is about 522.5287772128.

The spelling of 142669336 in words is "one hundred forty-two million, six hundred sixty-nine thousand, three hundred thirty-six".