1443145475 has 12 divisors (see below), whose sum is σ = 1883685240. Its totient is φ = 1093752000.

The previous prime is 1443145471. The next prime is 1443145493. The reversal of 1443145475 is 5745413441.

It is not a de Polignac number, because 1443145475 - 2² = 1443145471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1443145471) 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, 1518626 + ... + 1519575.

It is an arithmetic number, because the mean of its divisors is an integer number (156973770).

Almost surely, 2^1443145475 is an apocalyptic number.

1443145475 is a deficient number, since it is larger than the sum of its proper divisors (440539765).

1443145475 is a wasteful number, since it uses less digits than its factorization.

1443145475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038230 (or 3038225 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 1443145475 is about 37988.7545860614. The cubic root of 1443145475 is about 1130.0648604011.

The spelling of 1443145475 in words is "one billion, four hundred forty-three million, one hundred forty-five thousand, four hundred seventy-five".