142234940 has 12 divisors (see below), whose sum is σ = 298693416. Its totient is φ = 56893968.

The previous prime is 142234933. The next prime is 142234949. The reversal of 142234940 is 49432241.

142234940 is digitally balanced in base 2, 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 (142234949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555854 + ... + 3555893.

It is an arithmetic number, because the mean of its divisors is an integer number (24891118).

Almost surely, 2^142234940 is an apocalyptic number.

142234940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142234940 is an abundant number, since it is smaller than the sum of its proper divisors (156458476).

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

142234940 is a wasteful number, since it uses less digits than its factorization.

142234940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111756 (or 7111754 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 142234940 is about 11926.2290771224. The cubic root of 142234940 is about 521.9979105723.

The spelling of 142234940 in words is "one hundred forty-two million, two hundred thirty-four thousand, nine hundred forty".