147885144 has 32 divisors (see below), whose sum is σ = 403323840. Its totient is φ = 44813600.

The previous prime is 147885139. The next prime is 147885149. The reversal of 147885144 is 441588741.

It is an interprime number because it is at equal distance from previous prime (147885139) and next prime (147885149).

It is a junction number, because it is equal to n+sod(n) for n = 147885096 and 147885105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147885149) 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, 279822 + ... + 280349.

It is an arithmetic number, because the mean of its divisors is an integer number (12603870).

Almost surely, 2^147885144 is an apocalyptic number.

It is an amenable number.

147885144 is an abundant number, since it is smaller than the sum of its proper divisors (255438696).

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

147885144 is a wasteful number, since it uses less digits than its factorization.

147885144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560191 (or 560187 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 147885144 is about 12160.8035918684. The cubic root of 147885144 is about 528.8203787188.

The spelling of 147885144 in words is "one hundred forty-seven million, eight hundred eighty-five thousand, one hundred forty-four".