245231455 has 32 divisors (see below), whose sum is σ = 349388928. Its totient is φ = 161740800.

The previous prime is 245231419. The next prime is 245231471. The reversal of 245231455 is 554132542.

It is not a de Polignac number, because 245231455 - 2¹⁹ = 244707167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103585 + ... + 105925.

It is an arithmetic number, because the mean of its divisors is an integer number (10918404).

Almost surely, 2^245231455 is an apocalyptic number.

245231455 is a deficient number, since it is larger than the sum of its proper divisors (104157473).

245231455 is a wasteful number, since it uses less digits than its factorization.

245231455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467.

The product of its digits is 24000, while the sum is 31.

The square root of 245231455 is about 15659.8676558903. The cubic root of 245231455 is about 625.9294586853.

Adding to 245231455 its reverse (554132542), we get a palindrome (799363997).

The spelling of 245231455 in words is "two hundred forty-five million, two hundred thirty-one thousand, four hundred fifty-five".