147988944 has 120 divisors (see below), whose sum is σ = 454970880. Its totient is φ = 46407168.

The previous prime is 147988903. The next prime is 147988949. The reversal of 147988944 is 449889741.

147988944 is a `hidden beast` number, since 1 + 479 + 88 + 94 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147988949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64977 + ... + 67215.

It is an arithmetic number, because the mean of its divisors is an integer number (3791424).

Almost surely, 2^147988944 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 147988944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227485440).

147988944 is an abundant number, since it is smaller than the sum of its proper divisors (306981936).

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

147988944 is a wasteful number, since it uses less digits than its factorization.

147988944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2261 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 147988944 is about 12165.0706533090. The cubic root of 147988944 is about 528.9440754294.

The spelling of 147988944 in words is "one hundred forty-seven million, nine hundred eighty-eight thousand, nine hundred forty-four".