142232070 has 64 divisors (see below), whose sum is σ = 354465216. Its totient is φ = 36495360.

The previous prime is 142232039. The next prime is 142232087. The reversal of 142232070 is 70232241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107010 + ... + 108330.

It is an arithmetic number, because the mean of its divisors is an integer number (5538519).

Almost surely, 2^142232070 is an apocalyptic number.

142232070 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 142232070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177232608).

142232070 is an abundant number, since it is smaller than the sum of its proper divisors (212233146).

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

142232070 is a wasteful number, since it uses less digits than its factorization.

142232070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 142232070 is about 11926.1087534870. The cubic root of 142232070 is about 521.9943996111.

The spelling of 142232070 in words is "one hundred forty-two million, two hundred thirty-two thousand, seventy".