245421159 has 4 divisors (see below), whose sum is σ = 327228216. Its totient is φ = 163614104.

The previous prime is 245421131. The next prime is 245421181. The reversal of 245421159 is 951124542.

245421159 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 is a cyclic number.

It is not a de Polignac number, because 245421159 - 2⁷ = 245421031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245421359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40903524 + ... + 40903529.

It is an arithmetic number, because the mean of its divisors is an integer number (81807054).

Almost surely, 2^245421159 is an apocalyptic number.

245421159 is a deficient number, since it is larger than the sum of its proper divisors (81807057).

245421159 is an equidigital number, since it uses as much as digits as its factorization.

245421159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81807056.

The product of its digits is 14400, while the sum is 33.

The square root of 245421159 is about 15665.9234965577. The cubic root of 245421159 is about 626.0908174268.

The spelling of 245421159 in words is "two hundred forty-five million, four hundred twenty-one thousand, one hundred fifty-nine".