142430970 has 64 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 34036800.

The previous prime is 142430933. The next prime is 142430983. The reversal of 142430970 is 79034241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20391 + ... + 26469.

It is an arithmetic number, because the mean of its divisors is an integer number (5909760).

Almost surely, 2^142430970 is an apocalyptic number.

142430970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142430970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189112320).

142430970 is an abundant number, since it is smaller than the sum of its proper divisors (235793670).

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

142430970 is a wasteful number, since it uses less digits than its factorization.

142430970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 142430970 is about 11934.4446875420. Note that the first 3 decimals coincide. The cubic root of 142430970 is about 522.2376085368.

The spelling of 142430970 in words is "one hundred forty-two million, four hundred thirty thousand, nine hundred seventy".