245144051 has 4 divisors (see below), whose sum is σ = 255802512. Its totient is φ = 234485592.

The previous prime is 245144041. The next prime is 245144059. The reversal of 245144051 is 150441542.

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 245144051 - 2¹⁴ = 245127667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245144051.

It is not an unprimeable number, because it can be changed into a prime (245144059) 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 3 ways as a sum of consecutive naturals, for example, 5329196 + ... + 5329241.

It is an arithmetic number, because the mean of its divisors is an integer number (63950628).

Almost surely, 2^245144051 is an apocalyptic number.

245144051 is a deficient number, since it is larger than the sum of its proper divisors (10658461).

245144051 is a wasteful number, since it uses less digits than its factorization.

245144051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658460.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 245144051 is about 15657.0767067164. The cubic root of 245144051 is about 625.8550864433.

Adding to 245144051 its reverse (150441542), we get a palindrome (395585593).

The spelling of 245144051 in words is "two hundred forty-five million, one hundred forty-four thousand, fifty-one".