245232451 has 8 divisors (see below), whose sum is σ = 247924160. Its totient is φ = 242548992.

The previous prime is 245232443. The next prime is 245232461. The reversal of 245232451 is 154232542.

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 245232451 - 2³ = 245232443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245232461) 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, 71686 + ... + 75028.

It is an arithmetic number, because the mean of its divisors is an integer number (30990520).

Almost surely, 2^245232451 is an apocalyptic number.

245232451 is a deficient number, since it is larger than the sum of its proper divisors (2691709).

245232451 is a wasteful number, since it uses less digits than its factorization.

245232451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125.

The product of its digits is 9600, while the sum is 28.

The square root of 245232451 is about 15659.8994568931. The cubic root of 245232451 is about 625.9303060819.

Adding to 245232451 its reverse (154232542), we get a palindrome (399464993).

Subtracting from 245232451 its reverse (154232542), we obtain a palindrome (90999909).

The spelling of 245232451 in words is "two hundred forty-five million, two hundred thirty-two thousand, four hundred fifty-one".