142257260 has 24 divisors (see below), whose sum is σ = 303806160. Its totient is φ = 55937984.

The previous prime is 142257259. The next prime is 142257263. The reversal of 142257260 is 62752241.

It is a happy number.

142257260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142257263) 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, 59099 + ... + 61458.

It is an arithmetic number, because the mean of its divisors is an integer number (12658590).

Almost surely, 2^142257260 is an apocalyptic number.

142257260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142257260 is an abundant number, since it is smaller than the sum of its proper divisors (161548900).

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

142257260 is a wasteful number, since it uses less digits than its factorization.

142257260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120625 (or 120623 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 142257260 is about 11927.1647930260. The cubic root of 142257260 is about 522.0252137183.

The spelling of 142257260 in words is "one hundred forty-two million, two hundred fifty-seven thousand, two hundred sixty".