142193500 has 24 divisors (see below), whose sum is σ = 310551696. Its totient is φ = 56877200.

The previous prime is 142193489. The next prime is 142193503. The reversal of 142193500 is 5391241.

142193500 is digitally balanced in base 3, 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 (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142193503) 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, 141694 + ... + 142693.

It is an arithmetic number, because the mean of its divisors is an integer number (12939654).

Almost surely, 2^142193500 is an apocalyptic number.

142193500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142193500 is an abundant number, since it is smaller than the sum of its proper divisors (168358196).

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

142193500 is a wasteful number, since it uses less digits than its factorization.

142193500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284406 (or 284394 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 142193500 is about 11924.4916034186. The cubic root of 142193500 is about 521.9472111344.

The spelling of 142193500 in words is "one hundred forty-two million, one hundred ninety-three thousand, five hundred".