245231454 has 16 divisors (see below), whose sum is σ = 528190992. Its totient is φ = 75455808.

The previous prime is 245231419. The next prime is 245231471. The reversal of 245231454 is 454132542.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571919 + ... + 1572074.

It is an arithmetic number, because the mean of its divisors is an integer number (33011937).

Almost surely, 2^245231454 is an apocalyptic number.

245231454 is an abundant number, since it is smaller than the sum of its proper divisors (282959538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245231454 is a wasteful number, since it uses less digits than its factorization.

245231454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144011.

The product of its digits is 19200, while the sum is 30.

The square root of 245231454 is about 15659.8676239616. The cubic root of 245231454 is about 625.9294578345.

Adding to 245231454 its reverse (454132542), we get a palindrome (699363996).

The spelling of 245231454 in words is "two hundred forty-five million, two hundred thirty-one thousand, four hundred fifty-four".