147444345 has 24 divisors (see below), whose sum is σ = 258108552. Its totient is φ = 77856000.

The previous prime is 147444337. The next prime is 147444373. The reversal of 147444345 is 543444741.

147444345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 89927289 + 57517056 = 9483^2 + 7584^2 .

It is not a de Polignac number, because 147444345 - 2³ = 147444337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11676 + ... + 20765.

It is an arithmetic number, because the mean of its divisors is an integer number (10754523).

Almost surely, 2^147444345 is an apocalyptic number.

147444345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147444345 is a deficient number, since it is larger than the sum of its proper divisors (110664207).

147444345 is a wasteful number, since it uses less digits than its factorization.

147444345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32553 (or 32550 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 147444345 is about 12142.6663052231. Note that the first 3 decimals coincide. The cubic root of 147444345 is about 528.2944401993.

The spelling of 147444345 in words is "one hundred forty-seven million, four hundred forty-four thousand, three hundred forty-five".