245555431 has 8 divisors (see below), whose sum is σ = 268199424. Its totient is φ = 222964920.

The previous prime is 245555419. The next prime is 245555459. The reversal of 245555431 is 134555542.

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 245555431 - 2¹¹ = 245553383 is a prime.

It is a super-2 number, since 2×245555431² = 120594939387191522, 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 (245555131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3441 + ... + 22426.

It is an arithmetic number, because the mean of its divisors is an integer number (33524928).

Almost surely, 2^245555431 is an apocalyptic number.

245555431 is a deficient number, since it is larger than the sum of its proper divisors (22643993).

245555431 is a wasteful number, since it uses less digits than its factorization.

245555431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26741.

The product of its digits is 60000, while the sum is 34.

The square root of 245555431 is about 15670.2083904459. The cubic root of 245555431 is about 626.2049764777.

The spelling of 245555431 in words is "two hundred forty-five million, five hundred fifty-five thousand, four hundred thirty-one".