147445553 has 12 divisors (see below), whose sum is σ = 152175360. Its totient is φ = 142857120.

The previous prime is 147445549. The next prime is 147445559. The reversal of 147445553 is 355544741.

147445553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147445553 - 2² = 147445549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147445559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401576 + ... + 401942.

It is an arithmetic number, because the mean of its divisors is an integer number (12681280).

Almost surely, 2^147445553 is an apocalyptic number.

It is an amenable number.

147445553 is a deficient number, since it is larger than the sum of its proper divisors (4729807).

147445553 is an equidigital number, since it uses as much as digits as its factorization.

147445553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 647 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 147445553 is about 12142.7160470794. The cubic root of 147445553 is about 528.2958829537.

The spelling of 147445553 in words is "one hundred forty-seven million, four hundred forty-five thousand, five hundred fifty-three".