263145463 has 8 divisors (see below), whose sum is σ = 300947328. Its totient is φ = 225396024.

The previous prime is 263145451. The next prime is 263145469. The reversal of 263145463 is 364541362.

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

It is not a de Polignac number, because 263145463 - 2¹⁷ = 263014391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263145469) 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, 1681 + ... + 23002.

It is an arithmetic number, because the mean of its divisors is an integer number (37618416).

Almost surely, 2^263145463 is an apocalyptic number.

263145463 is a deficient number, since it is larger than the sum of its proper divisors (37801865).

263145463 is a wasteful number, since it uses less digits than its factorization.

263145463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213.

The product of its digits is 51840, while the sum is 34.

The square root of 263145463 is about 16221.7589366875. The cubic root of 263145463 is about 640.8139570400.

The spelling of 263145463 in words is "two hundred sixty-three million, one hundred forty-five thousand, four hundred sixty-three".