245146443 has 16 divisors (see below), whose sum is σ = 361138176. Its totient is φ = 147128960.

The previous prime is 245146411. The next prime is 245146469. The reversal of 245146443 is 344641542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 245146443 - 2⁵ = 245146411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245146403) 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, 103323 + ... + 105668.

It is an arithmetic number, because the mean of its divisors is an integer number (22571136).

Almost surely, 2^245146443 is an apocalyptic number.

245146443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245146443 is a deficient number, since it is larger than the sum of its proper divisors (115991733).

245146443 is a wasteful number, since it uses less digits than its factorization.

245146443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209034.

The product of its digits is 46080, while the sum is 33.

The square root of 245146443 is about 15657.1530937141. The cubic root of 245146443 is about 625.8571220362.

Adding to 245146443 its reverse (344641542), we get a palindrome (589787985).

The spelling of 245146443 in words is "two hundred forty-five million, one hundred forty-six thousand, four hundred forty-three".