142344550 has 24 divisors (see below), whose sum is σ = 271920096. Its totient is φ = 55398240.

The previous prime is 142344547. The next prime is 142344569. The reversal of 142344550 is 55443241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36622 + ... + 40321.

It is an arithmetic number, because the mean of its divisors is an integer number (11330004).

Almost surely, 2^142344550 is an apocalyptic number.

142344550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142344550 is a deficient number, since it is larger than the sum of its proper divisors (129575546).

142344550 is a wasteful number, since it uses less digits than its factorization.

142344550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76992 (or 76987 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 142344550 is about 11930.8235256415. The cubic root of 142344550 is about 522.1319646002.

Adding to 142344550 its reverse (55443241), we get a palindrome (197787791).

The spelling of 142344550 in words is "one hundred forty-two million, three hundred forty-four thousand, five hundred fifty".