142253232 has 40 divisors (see below), whose sum is σ = 400896960. Its totient is φ = 43106880.

The previous prime is 142253227. The next prime is 142253233. The reversal of 142253232 is 232352241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (142253233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134182 + ... + 135237.

It is an arithmetic number, because the mean of its divisors is an integer number (10022424).

Almost surely, 2^142253232 is an apocalyptic number.

142253232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142253232 is an abundant number, since it is smaller than the sum of its proper divisors (258643728).

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

142253232 is a wasteful number, since it uses less digits than its factorization.

142253232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269441 (or 269435 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 142253232 is about 11926.9959335953. The cubic root of 142253232 is about 522.0202866413.

Subtracting 142253232 from its reverse (232352241), we obtain a palindrome (90099009).

The spelling of 142253232 in words is "one hundred forty-two million, two hundred fifty-three thousand, two hundred thirty-two".