147446244 has 90 divisors (see below), whose sum is σ = 423793062. Its totient is φ = 44668800.

The previous prime is 147446239. The next prime is 147446249. The reversal of 147446244 is 442644741.

147446244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (147446239) and next prime (147446249).

It can be written as a sum of positive squares in only one way, i.e., 122943744 + 24502500 = 11088^2 + 4950^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 147446199 and 147446208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147446249) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 37324 + ... + 41084.

Almost surely, 2^147446244 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 147446244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211896531).

147446244 is an abundant number, since it is smaller than the sum of its proper divisors (276346818).

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

147446244 is a wasteful number, since it uses less digits than its factorization.

147446244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799 (or 3777 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 147446244 is about 12142.7445003179. The cubic root of 147446244 is about 528.2967082343.

The spelling of 147446244 in words is "one hundred forty-seven million, four hundred forty-six thousand, two hundred forty-four".