142290400870 has 32 divisors (see below), whose sum is σ = 269162311968. Its totient is φ = 54090021888.

The previous prime is 142290400867. The next prime is 142290400883. The reversal of 142290400870 is 78004092241.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4455819 + ... + 4487638.

It is an arithmetic number, because the mean of its divisors is an integer number (8411322249).

Almost surely, 2^142290400870 is an apocalyptic number.

142290400870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142290400870 is a deficient number, since it is larger than the sum of its proper divisors (126871911098).

142290400870 is a wasteful number, since it uses less digits than its factorization.

142290400870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943544.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 142290400870 in words is "one hundred forty-two billion, two hundred ninety million, four hundred thousand, eight hundred seventy".