142032550 has 24 divisors (see below), whose sum is σ = 288198072. Its totient is φ = 51648000.

The previous prime is 142032511. The next prime is 142032557. The reversal of 142032550 is 55230241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142032557) 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, 128571 + ... + 129670.

It is an arithmetic number, because the mean of its divisors is an integer number (12008253).

Almost surely, 2^142032550 is an apocalyptic number.

142032550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142032550 is an abundant number, since it is smaller than the sum of its proper divisors (146165522).

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

142032550 is a wasteful number, since it uses less digits than its factorization.

142032550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258264 (or 258259 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 142032550 is about 11917.7409772154. The cubic root of 142032550 is about 521.7502046613.

Adding to 142032550 its reverse (55230241), we get a palindrome (197262791).

The spelling of 142032550 in words is "one hundred forty-two million, thirty-two thousand, five hundred fifty".