142055928 has 48 divisors (see below), whose sum is σ = 439698480. Its totient is φ = 40587264.

The previous prime is 142055923. The next prime is 142055929. The reversal of 142055928 is 829550241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 142055892 and 142055901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142055923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140425 + ... + 141432.

It is an arithmetic number, because the mean of its divisors is an integer number (9160385).

Almost surely, 2^142055928 is an apocalyptic number.

142055928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142055928 is an abundant number, since it is smaller than the sum of its proper divisors (297642552).

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

142055928 is a wasteful number, since it uses less digits than its factorization.

142055928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281876 (or 281869 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 142055928 is about 11918.7217435428. The cubic root of 142055928 is about 521.7788291025.

The spelling of 142055928 in words is "one hundred forty-two million, fifty-five thousand, nine hundred twenty-eight".