142870370 has 8 divisors (see below), whose sum is σ = 257166684. Its totient is φ = 57148144.

The previous prime is 142870361. The next prime is 142870379. The reversal of 142870370 is 73078241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142870361) and next prime (142870379).

It can be written as a sum of positive squares in 2 ways, for example, as 138556441 + 4313929 = 11771^2 + 2077^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142870379) 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, 7143509 + ... + 7143528.

Almost surely, 2^142870370 is an apocalyptic number.

142870370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142870370 is a deficient number, since it is larger than the sum of its proper divisors (114296314).

142870370 is a wasteful number, since it uses less digits than its factorization.

142870370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287044.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 142870370 is about 11952.8394116210. The cubic root of 142870370 is about 522.7740921299.

The spelling of 142870370 in words is "one hundred forty-two million, eight hundred seventy thousand, three hundred seventy".