142256550 has 24 divisors (see below), whose sum is σ = 352796616. Its totient is φ = 37935040.

The previous prime is 142256539. The next prime is 142256557. The reversal of 142256550 is 55652241.

142256550 is digitally balanced in base 2, 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 (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142256557) 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, 474039 + ... + 474338.

It is an arithmetic number, because the mean of its divisors is an integer number (14699859).

Almost surely, 2^142256550 is an apocalyptic number.

142256550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142256550 is an abundant number, since it is smaller than the sum of its proper divisors (210540066).

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

142256550 is a wasteful number, since it uses less digits than its factorization.

142256550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948392 (or 948387 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 142256550 is about 11927.1350290000. The cubic root of 142256550 is about 522.0243452482.

The spelling of 142256550 in words is "one hundred forty-two million, two hundred fifty-six thousand, five hundred fifty".