142363240 has 32 divisors (see below), whose sum is σ = 321050880. Its totient is φ = 56814912.

The previous prime is 142363229. The next prime is 142363241. The reversal of 142363240 is 42363241.

It is not an unprimeable number, because it can be changed into a prime (142363241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14677 + ... + 22363.

It is an arithmetic number, because the mean of its divisors is an integer number (10032840).

Almost surely, 2^142363240 is an apocalyptic number.

142363240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142363240 is an abundant number, since it is smaller than the sum of its proper divisors (178687640).

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

142363240 is a wasteful number, since it uses less digits than its factorization.

142363240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 142363240 is about 11931.6067652266. The cubic root of 142363240 is about 522.1548157721.

Subtracting from 142363240 its reverse (42363241), we obtain a palindrome (99999999).

The spelling of 142363240 in words is "one hundred forty-two million, three hundred sixty-three thousand, two hundred forty".