142423512 has 64 divisors (see below), whose sum is σ = 443923200. Its totient is φ = 36992640.

The previous prime is 142423499. The next prime is 142423513. The reversal of 142423512 is 215324241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142423513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36687 + ... + 40382.

It is an arithmetic number, because the mean of its divisors is an integer number (6936300).

Almost surely, 2^142423512 is an apocalyptic number.

142423512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142423512 is an abundant number, since it is smaller than the sum of its proper divisors (301499688).

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

142423512 is a wasteful number, since it uses less digits than its factorization.

142423512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77096 (or 77092 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 142423512 is about 11934.1322265174. The cubic root of 142423512 is about 522.2284932064.

Adding to 142423512 its reverse (215324241), we get a palindrome (357747753).

The spelling of 142423512 in words is "one hundred forty-two million, four hundred twenty-three thousand, five hundred twelve".