147948444 has 90 divisors (see below), whose sum is σ = 449960280. Its totient is φ = 42266448.

The previous prime is 147948407. The next prime is 147948487. The reversal of 147948444 is 444849741.

It is a super-2 number, since 2×147948444² = 43777484164042272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147948444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11217 + ... + 20535.

Almost surely, 2^147948444 is an apocalyptic number.

147948444 is a gapful number since it is divisible by the number (14) 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 147948444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224980140).

147948444 is an abundant number, since it is smaller than the sum of its proper divisors (302011836).

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

147948444 is a wasteful number, since it uses less digits than its factorization.

147948444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349 (or 9331 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 147948444 is about 12163.4059374831. The cubic root of 147948444 is about 528.8958191454.

The spelling of 147948444 in words is "one hundred forty-seven million, nine hundred forty-eight thousand, four hundred forty-four".