147522144 has 144 divisors (see below), whose sum is σ = 491593536. Its totient is φ = 38304000.

The previous prime is 147522139. The next prime is 147522157. The reversal of 147522144 is 441225741.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50319 + ... + 53169.

It is an arithmetic number, because the mean of its divisors is an integer number (3413844).

Almost surely, 2^147522144 is an apocalyptic number.

147522144 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 147522144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245796768).

147522144 is an abundant number, since it is smaller than the sum of its proper divisors (344071392).

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

147522144 is a wasteful number, since it uses less digits than its factorization.

147522144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 2874 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 147522144 is about 12145.8694213300. The cubic root of 147522144 is about 528.3873420381.

Adding to 147522144 its reverse (441225741), we get a palindrome (588747885).

The spelling of 147522144 in words is "one hundred forty-seven million, five hundred twenty-two thousand, one hundred forty-four".