142886870 has 64 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 45768192.

The previous prime is 142886869. The next prime is 142886873. The reversal of 142886870 is 78688241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142886873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198371 + ... + 199089.

It is an arithmetic number, because the mean of its divisors is an integer number (4898880).

Almost surely, 2^142886870 is an apocalyptic number.

142886870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142886870 is an abundant number, since it is smaller than the sum of its proper divisors (170641450).

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

142886870 is a wasteful number, since it uses less digits than its factorization.

142886870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 142886870 is about 11953.5296042633. The cubic root of 142886870 is about 522.7942162944.

The spelling of 142886870 in words is "one hundred forty-two million, eight hundred eighty-six thousand, eight hundred seventy".