239274845 has 4 divisors (see below), whose sum is σ = 287129820. Its totient is φ = 191419872.

The previous prime is 239274839. The next prime is 239274857. The reversal of 239274845 is 548472932.

239274845 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 79049881 + 160224964 = 8891^2 + 12658^2 .

It is a cyclic number.

It is not a de Polignac number, because 239274845 - 2⁴ = 239274829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 239274796 and 239274805.

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, 23927480 + ... + 23927489.

It is an arithmetic number, because the mean of its divisors is an integer number (71782455).

Almost surely, 2^239274845 is an apocalyptic number.

It is an amenable number.

239274845 is a deficient number, since it is larger than the sum of its proper divisors (47854975).

239274845 is an equidigital number, since it uses as much as digits as its factorization.

239274845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47854974.

The product of its digits is 483840, while the sum is 44.

The square root of 239274845 is about 15468.5114022003. The cubic root of 239274845 is about 620.8199738678.

The spelling of 239274845 in words is "two hundred thirty-nine million, two hundred seventy-four thousand, eight hundred forty-five".