147140224 has 64 divisors (see below), whose sum is σ = 365486400. Its totient is φ = 57323520.

The previous prime is 147140207. The next prime is 147140239. The reversal of 147140224 is 422041741.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (5710725).

Almost surely, 2^147140224 is an apocalyptic number.

147140224 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 147140224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182743200).

147140224 is an abundant number, since it is smaller than the sum of its proper divisors (218346176).

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

147140224 is a wasteful number, since it uses less digits than its factorization.

147140224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14961 (or 14949 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 147140224 is about 12130.1370148898. The cubic root of 147140224 is about 527.9309674058.

Adding to 147140224 its reverse (422041741), we get a palindrome (569181965).

The spelling of 147140224 in words is "one hundred forty-seven million, one hundred forty thousand, two hundred twenty-four".