142332550 has 24 divisors (see below), whose sum is σ = 267935976. Its totient is φ = 56245440.

The previous prime is 142332539. The next prime is 142332557. The reversal of 142332550 is 55233241.

142332550 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 (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142332557) 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, 12999 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (11163999).

Almost surely, 2^142332550 is an apocalyptic number.

142332550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142332550 is a deficient number, since it is larger than the sum of its proper divisors (125603426).

142332550 is a wasteful number, since it uses less digits than its factorization.

142332550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34392 (or 34387 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 142332550 is about 11930.3206159768. The cubic root of 142332550 is about 522.1172918463.

Adding to 142332550 its reverse (55233241), we get a palindrome (197565791).

The spelling of 142332550 in words is "one hundred forty-two million, three hundred thirty-two thousand, five hundred fifty".