142954224 has 160 divisors (see below), whose sum is σ = 462827520. Its totient is φ = 37072896.

The previous prime is 142954193. The next prime is 142954261. The reversal of 142954224 is 422459241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165217 + ... + 166079.

It is an arithmetic number, because the mean of its divisors is an integer number (2892672).

Almost surely, 2^142954224 is an apocalyptic number.

142954224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142954224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231413760).

142954224 is an abundant number, since it is smaller than the sum of its proper divisors (319873296).

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

142954224 is a wasteful number, since it uses less digits than its factorization.

142954224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 921 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 142954224 is about 11956.3465991916. The cubic root of 142954224 is about 522.8763482876.

The spelling of 142954224 in words is "one hundred forty-two million, nine hundred fifty-four thousand, two hundred twenty-four".