389245545 has 48 divisors (see below), whose sum is σ = 737510592. Its totient is φ = 188749440.

The previous prime is 389245531. The next prime is 389245567. The reversal of 389245545 is 545542983.

389245545 is a `hidden beast` number, since 3 + 8 + 92 + 4 + 554 + 5 = 666.

It is not a de Polignac number, because 389245545 - 2⁹ = 389245033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 389245545.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34230 + ... + 44160.

It is an arithmetic number, because the mean of its divisors is an integer number (15364804).

Almost surely, 2^389245545 is an apocalyptic number.

It is an amenable number.

389245545 is a deficient number, since it is larger than the sum of its proper divisors (348265047).

389245545 is a wasteful number, since it uses less digits than its factorization.

389245545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022 (or 10019 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 389245545 is about 19729.3067541665. The cubic root of 389245545 is about 730.1429287911.

The spelling of 389245545 in words is "three hundred eighty-nine million, two hundred forty-five thousand, five hundred forty-five".