238071445 has 4 divisors (see below), whose sum is σ = 285685740. Its totient is φ = 190457152.

The previous prime is 238071437. The next prime is 238071467. The reversal of 238071445 is 544170832.

238071445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101485476 + 136585969 = 10074^2 + 11687^2 .

It is a cyclic number.

It is not a de Polignac number, because 238071445 - 2³ = 238071437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238071445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23807140 + ... + 23807149.

It is an arithmetic number, because the mean of its divisors is an integer number (71421435).

Almost surely, 2^238071445 is an apocalyptic number.

It is an amenable number.

238071445 is a deficient number, since it is larger than the sum of its proper divisors (47614295).

238071445 is an equidigital number, since it uses as much as digits as its factorization.

238071445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47614294.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 238071445 is about 15429.5639925437. The cubic root of 238071445 is about 619.7774478722. Note that the first 3 decimals are identical.

It can be divided in two parts, 23807 and 1445, that added together give a palindrome (25252).

The spelling of 238071445 in words is "two hundred thirty-eight million, seventy-one thousand, four hundred forty-five".