142426870 has 16 divisors (see below), whose sum is σ = 256646880. Its totient is φ = 56908864.

The previous prime is 142426849. The next prime is 142426871. The reversal of 142426870 is 78624241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142426871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586 + ... + 17074.

It is an arithmetic number, because the mean of its divisors is an integer number (16040430).

Almost surely, 2^142426870 is an apocalyptic number.

142426870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142426870 is a deficient number, since it is larger than the sum of its proper divisors (114220010).

142426870 is a wasteful number, since it uses less digits than its factorization.

142426870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15479.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 142426870 is about 11934.2729145935. The cubic root of 142426870 is about 522.2325974667.

It can be divided in two parts, 14242 and 6870, that added together give a palindrome (21112).

The spelling of 142426870 in words is "one hundred forty-two million, four hundred twenty-six thousand, eight hundred seventy".