142870670 has 8 divisors (see below), whose sum is σ = 257167224. Its totient is φ = 57148264.

The previous prime is 142870667. The next prime is 142870681. The reversal of 142870670 is 76078241.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142870670.

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, 7143524 + ... + 7143543.

It is an arithmetic number, because the mean of its divisors is an integer number (32145903).

Almost surely, 2^142870670 is an apocalyptic number.

142870670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142870670 is a deficient number, since it is larger than the sum of its proper divisors (114296554).

142870670 is a wasteful number, since it uses less digits than its factorization.

142870670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14287074.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 142870670 is about 11952.8519609338. The cubic root of 142870670 is about 522.7744580376.

The spelling of 142870670 in words is "one hundred forty-two million, eight hundred seventy thousand, six hundred seventy".