147444453 has 24 divisors (see below), whose sum is σ = 230558328. Its totient is φ = 90260352.

The previous prime is 147444391. The next prime is 147444461. The reversal of 147444453 is 354444741.

147444453 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 4235364 + 143209089 = 2058^2 + 11967^2 .

It is not a de Polignac number, because 147444453 - 2²⁶ = 80335589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147444653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19851 + ... + 26247.

It is an arithmetic number, because the mean of its divisors is an integer number (9606597).

Almost surely, 2^147444453 is an apocalyptic number.

147444453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

147444453 is a deficient number, since it is larger than the sum of its proper divisors (83113875).

147444453 is a wasteful number, since it uses less digits than its factorization.

147444453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613 (or 6610 counting only the distinct ones).

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

The square root of 147444453 is about 12142.6707523510. The cubic root of 147444453 is about 528.2945691876.

The spelling of 147444453 in words is "one hundred forty-seven million, four hundred forty-four thousand, four hundred fifty-three".