142655000 has 80 divisors (see below), whose sum is σ = 338704080. Its totient is φ = 56304000.

The previous prime is 142654999. The next prime is 142655053. The reversal of 142655000 is 556241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 514862 + ... + 515138.

It is an arithmetic number, because the mean of its divisors is an integer number (4233801).

Almost surely, 2^142655000 is an apocalyptic number.

142655000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142655000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169352040).

142655000 is an abundant number, since it is smaller than the sum of its proper divisors (196049080).

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

142655000 is a wasteful number, since it uses less digits than its factorization.

142655000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 142655000 is about 11943.8268574189. The cubic root of 142655000 is about 522.5112746817.

The spelling of 142655000 in words is "one hundred forty-two million, six hundred fifty-five thousand".