264365143 has 6 divisors (see below), whose sum is σ = 307526856. Its totient is φ = 226598652.

The previous prime is 264365137. The next prime is 264365149. The reversal of 264365143 is 341563462.

It is an interprime number because it is at equal distance from previous prime (264365137) and next prime (264365149).

It is not a de Polignac number, because 264365143 - 2¹⁷ = 264234071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264365099 and 264365108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264365149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2697555 + ... + 2697652.

It is an arithmetic number, because the mean of its divisors is an integer number (51254476).

Almost surely, 2^264365143 is an apocalyptic number.

264365143 is a deficient number, since it is larger than the sum of its proper divisors (43161713).

264365143 is an equidigital number, since it uses as much as digits as its factorization.

264365143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395221 (or 5395214 counting only the distinct ones).

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

The square root of 264365143 is about 16259.3094256798. The cubic root of 264365143 is about 641.8024895217.

The spelling of 264365143 in words is "two hundred sixty-four million, three hundred sixty-five thousand, one hundred forty-three".