245903163 has 16 divisors (see below), whose sum is σ = 357941376. Its totient is φ = 148922240.

The previous prime is 245903131. The next prime is 245903167. The reversal of 245903163 is 361309542.

It is a cyclic number.

It is not a de Polignac number, because 245903163 - 2⁵ = 245903131 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (245903167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78220 + ... + 81302.

It is an arithmetic number, because the mean of its divisors is an integer number (22371336).

Almost surely, 2^245903163 is an apocalyptic number.

245903163 is a deficient number, since it is larger than the sum of its proper divisors (112038213).

245903163 is a wasteful number, since it uses less digits than its factorization.

245903163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 245903163 is about 15681.2997866886. The cubic root of 245903163 is about 626.5004274919.

The spelling of 245903163 in words is "two hundred forty-five million, nine hundred three thousand, one hundred sixty-three".