142842240 has 96 divisors (see below), whose sum is σ = 493272000. Its totient is φ = 38089728.

The previous prime is 142842223. The next prime is 142842257. The reversal of 142842240 is 42248241.

It is an interprime number because it is at equal distance from previous prime (142842223) and next prime (142842257).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6640 + ... + 18159.

It is an arithmetic number, because the mean of its divisors is an integer number (5138250).

Almost surely, 2^142842240 is an apocalyptic number.

142842240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142842240 is an abundant number, since it is smaller than the sum of its proper divisors (350429760).

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

142842240 is a wasteful number, since it uses less digits than its factorization.

142842240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24824 (or 24809 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 142842240 is about 11951.6626458414. The cubic root of 142842240 is about 522.7397799058.

The spelling of 142842240 in words is "one hundred forty-two million, eight hundred forty-two thousand, two hundred forty".