142174224 has 160 divisors (see below), whose sum is σ = 437472000. Its totient is φ = 44098560.

The previous prime is 142174223. The next prime is 142174229. The reversal of 142174224 is 422471241.

It is a super-3 number, since 3×142174224³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142174223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407202 + ... + 407550.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^142174224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142174224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218736000).

142174224 is an abundant number, since it is smaller than the sum of its proper divisors (295297776).

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

142174224 is a wasteful number, since it uses less digits than its factorization.

142174224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 418 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 142174224 is about 11923.6833235372. The cubic root of 142174224 is about 521.9236247091.

The spelling of 142174224 in words is "one hundred forty-two million, one hundred seventy-four thousand, two hundred twenty-four".