142501812 has 24 divisors (see below), whose sum is σ = 334740000. Its totient is φ = 47181216.

The previous prime is 142501811. The next prime is 142501817. The reversal of 142501812 is 218105241.

142501812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142501811) 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, 38062 + ... + 41637.

It is an arithmetic number, because the mean of its divisors is an integer number (13947500).

Almost surely, 2^142501812 is an apocalyptic number.

142501812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142501812 is an abundant number, since it is smaller than the sum of its proper divisors (192238188).

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

142501812 is a wasteful number, since it uses less digits than its factorization.

142501812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79855 (or 79853 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 142501812 is about 11937.4122824002. The cubic root of 142501812 is about 522.3241773138.

The spelling of 142501812 in words is "one hundred forty-two million, five hundred one thousand, eight hundred twelve".