245142263 has 8 divisors (see below), whose sum is σ = 246497328. Its totient is φ = 243791424.

The previous prime is 245142253. The next prime is 245142281. The reversal of 245142263 is 362241542.

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

It is a cyclic number.

It is not a de Polignac number, because 245142263 - 2²⁶ = 178033399 is a prime.

It is a super-2 number, since 2×245142263² = 120189458217522338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245142253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236795 + ... + 237827.

It is an arithmetic number, because the mean of its divisors is an integer number (30812166).

Almost surely, 2^245142263 is an apocalyptic number.

245142263 is a deficient number, since it is larger than the sum of its proper divisors (1355065).

245142263 is a wasteful number, since it uses less digits than its factorization.

245142263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113.

The product of its digits is 11520, while the sum is 29.

The square root of 245142263 is about 15657.0196078309. The cubic root of 245142263 is about 625.8535648459.

The spelling of 245142263 in words is "two hundred forty-five million, one hundred forty-two thousand, two hundred sixty-three".