263113145 has 8 divisors (see below), whose sum is σ = 316491840. Its totient is φ = 209986480.

The previous prime is 263113141. The next prime is 263113157. The reversal of 263113145 is 541311362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263113145 - 2² = 263113141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (263113141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60701 + ... + 64890.

It is an arithmetic number, because the mean of its divisors is an integer number (39561480).

Almost surely, 2^263113145 is an apocalyptic number.

It is an amenable number.

263113145 is a deficient number, since it is larger than the sum of its proper divisors (53378695).

263113145 is a wasteful number, since it uses less digits than its factorization.

263113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126015.

The product of its digits is 2160, while the sum is 26.

The square root of 263113145 is about 16220.7627749129. The cubic root of 263113145 is about 640.7877222810.

The spelling of 263113145 in words is "two hundred sixty-three million, one hundred thirteen thousand, one hundred forty-five".