142612550 has 24 divisors (see below), whose sum is σ = 266808816. Its totient is φ = 56711840.

The previous prime is 142612549. The next prime is 142612573. The reversal of 142612550 is 55216241.

142612550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407 + ... + 16893.

It is an arithmetic number, because the mean of its divisors is an integer number (11117034).

Almost surely, 2^142612550 is an apocalyptic number.

142612550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142612550 is a deficient number, since it is larger than the sum of its proper divisors (124196266).

142612550 is a wasteful number, since it uses less digits than its factorization.

142612550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672 (or 16667 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 142612550 is about 11942.0496565707. The cubic root of 142612550 is about 522.4594414616.

Adding to 142612550 its reverse (55216241), we get a palindrome (197828791).

The spelling of 142612550 in words is "one hundred forty-two million, six hundred twelve thousand, five hundred fifty".