142355224 has 32 divisors (see below), whose sum is σ = 300579840. Its totient is φ = 62618400.

The previous prime is 142355221. The next prime is 142355231. The reversal of 142355224 is 422553241.

It is a junction number, because it is equal to n+sod(n) for n = 142355192 and 142355201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142355221) 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, 23364 + ... + 28819.

It is an arithmetic number, because the mean of its divisors is an integer number (9393120).

Almost surely, 2^142355224 is an apocalyptic number.

It is an amenable number.

142355224 is an abundant number, since it is smaller than the sum of its proper divisors (158224616).

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

142355224 is a wasteful number, since it uses less digits than its factorization.

142355224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52231 (or 52227 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 142355224 is about 11931.2708459745. The cubic root of 142355224 is about 522.1450153218.

The spelling of 142355224 in words is "one hundred forty-two million, three hundred fifty-five thousand, two hundred twenty-four".