142243800 has 48 divisors (see below), whose sum is σ = 440957640. Its totient is φ = 37931520.

The previous prime is 142243769. The next prime is 142243831. The reversal of 142243800 is 8342241.

It is an interprime number because it is at equal distance from previous prime (142243769) and next prime (142243831).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 117937 + ... + 119136.

Almost surely, 2^142243800 is an apocalyptic number.

142243800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142243800 is an abundant number, since it is smaller than the sum of its proper divisors (298713840).

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

142243800 is a wasteful number, since it uses less digits than its factorization.

142243800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237092 (or 237083 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142243800 is about 11926.6005215233. The cubic root of 142243800 is about 522.0087489909.

The spelling of 142243800 in words is "one hundred forty-two million, two hundred forty-three thousand, eight hundred".