147137744 has 40 divisors (see below), whose sum is σ = 314167392. Its totient is φ = 66326400.

The previous prime is 147137743. The next prime is 147137747. The reversal of 147137744 is 447731741.

It is a junction number, because it is equal to n+sod(n) for n = 147137698 and 147137707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147137741) 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, 719 + ... + 17169.

Almost surely, 2^147137744 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 147137744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157083696).

147137744 is an abundant number, since it is smaller than the sum of its proper divisors (167029648).

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

147137744 is a wasteful number, since it uses less digits than its factorization.

147137744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16515 (or 16509 counting only the distinct ones).

The product of its digits is 65856, while the sum is 38.

The square root of 147137744 is about 12130.0347897275. The cubic root of 147137744 is about 527.9280013550.

The spelling of 147137744 in words is "one hundred forty-seven million, one hundred thirty-seven thousand, seven hundred forty-four".