147978576 has 100 divisors (see below), whose sum is σ = 431034912. Its totient is φ = 49011264.

The previous prime is 147978529. The next prime is 147978583. The reversal of 147978576 is 675879741.

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

Its product of digits (2963520) is a multiple of the sum of its prime divisors (735).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 293941 + ... + 294443.

Almost surely, 2^147978576 is an apocalyptic number.

147978576 is a gapful number since it is divisible by the number (16) 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 147978576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215517456).

147978576 is an abundant number, since it is smaller than the sum of its proper divisors (283056336).

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

147978576 is a wasteful number, since it uses less digits than its factorization.

147978576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 735 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The square root of 147978576 is about 12164.6445077528. The cubic root of 147978576 is about 528.9317226592.

The spelling of 147978576 in words is "one hundred forty-seven million, nine hundred seventy-eight thousand, five hundred seventy-six".