142669942 has 8 divisors (see below), whose sum is σ = 214199856. Its totient is φ = 71269992.

The previous prime is 142669927. The next prime is 142669951. The reversal of 142669942 is 249966241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29698 + ... + 34165.

It is an arithmetic number, because the mean of its divisors is an integer number (26774982).

Almost surely, 2^142669942 is an apocalyptic number.

142669942 is a deficient number, since it is larger than the sum of its proper divisors (71529914).

142669942 is a wasteful number, since it uses less digits than its factorization.

142669942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64982.

The product of its digits is 186624, while the sum is 43.

The square root of 142669942 is about 11944.4523524522. The cubic root of 142669942 is about 522.5295170401.

It can be divided in two parts, 14 and 2669942, that added together give a square (2669956 = 1634²).

The spelling of 142669942 in words is "one hundred forty-two million, six hundred sixty-nine thousand, nine hundred forty-two".