142323550 has 48 divisors (see below), whose sum is σ = 276210000. Its totient is φ = 54512640.

The previous prime is 142323529. The next prime is 142323551. The reversal of 142323550 is 55323241.

142323550 is digitally balanced in base 3, 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 (142323551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113326 + ... + 114574.

It is an arithmetic number, because the mean of its divisors is an integer number (5754375).

Almost surely, 2^142323550 is an apocalyptic number.

142323550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142323550 is a deficient number, since it is larger than the sum of its proper divisors (133886450).

142323550 is a wasteful number, since it uses less digits than its factorization.

142323550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1352 counting only the distinct ones).

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

The square root of 142323550 is about 11929.9434198155. The cubic root of 142323550 is about 522.1062867396.

Adding to 142323550 its reverse (55323241), we get a palindrome (197646791).

The spelling of 142323550 in words is "one hundred forty-two million, three hundred twenty-three thousand, five hundred fifty".