245434151 has 4 divisors (see below), whose sum is σ = 259871472. Its totient is φ = 230996832.

The previous prime is 245434121. The next prime is 245434169. The reversal of 245434151 is 151434542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245434151 - 2¹⁸ = 245172007 is a prime.

It is a super-3 number, since 3×245434151³ (a number of 26 digits) contains 333 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 (245434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7218635 + ... + 7218668.

It is an arithmetic number, because the mean of its divisors is an integer number (64967868).

Almost surely, 2^245434151 is an apocalyptic number.

245434151 is a deficient number, since it is larger than the sum of its proper divisors (14437321).

245434151 is a wasteful number, since it uses less digits than its factorization.

245434151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437320.

The product of its digits is 9600, while the sum is 29.

The square root of 245434151 is about 15666.3381490379. The cubic root of 245434151 is about 626.1018651409.

Adding to 245434151 its reverse (151434542), we get a palindrome (396868693).

The spelling of 245434151 in words is "two hundred forty-five million, four hundred thirty-four thousand, one hundred fifty-one".