142012980 has 96 divisors (see below), whose sum is σ = 443587200. Its totient is φ = 37718784.

The previous prime is 142012979. The next prime is 142012987. The reversal of 142012980 is 89210241.

142012980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012987) 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, 220539 + ... + 221181.

It is an arithmetic number, because the mean of its divisors is an integer number (4620700).

Almost surely, 2^142012980 is an apocalyptic number.

142012980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142012980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221793600).

142012980 is an abundant number, since it is smaller than the sum of its proper divisors (301574220).

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

142012980 is a wasteful number, since it uses less digits than its factorization.

142012980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 142012980 is about 11916.9199040692. The cubic root of 142012980 is about 521.7262403881.

It can be divided in two parts, 1420 and 12980, that added together give a square (14400 = 120²).

The spelling of 142012980 in words is "one hundred forty-two million, twelve thousand, nine hundred eighty".