238549545 has 96 divisors (see below), whose sum is σ = 466083072. Its totient is φ = 112098816.

The previous prime is 238549517. The next prime is 238549573. The reversal of 238549545 is 545945832.

238549545 is a `hidden beast` number, since 23 + 85 + 4 + 9 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (238549517) and next prime (238549573).

It is not a de Polignac number, because 238549545 - 2⁵ = 238549513 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 238549545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2229382 + ... + 2229488.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^238549545 is an apocalyptic number.

It is an amenable number.

238549545 is a deficient number, since it is larger than the sum of its proper divisors (227533527).

238549545 is a wasteful number, since it uses less digits than its factorization.

238549545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 268 counting only the distinct ones).

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

The square root of 238549545 is about 15445.0492067847. The cubic root of 238549545 is about 620.1920537526.

The spelling of 238549545 in words is "two hundred thirty-eight million, five hundred forty-nine thousand, five hundred forty-five".