245141321 has 8 divisors (see below), whose sum is σ = 253795080. Its totient is φ = 236500992.

The previous prime is 245141311. The next prime is 245141341. The reversal of 245141321 is 123141542.

It can be written as a sum of positive squares in 4 ways, for example, as 17131321 + 228010000 = 4139^2 + 15100^2 .

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 245141321 - 2²⁶ = 178032457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245141311) 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, 46601 + ... + 51593.

It is an arithmetic number, because the mean of its divisors is an integer number (31724385).

Almost surely, 2^245141321 is an apocalyptic number.

It is an amenable number.

245141321 is a deficient number, since it is larger than the sum of its proper divisors (8653759).

245141321 is a wasteful number, since it uses less digits than its factorization.

245141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715.

The product of its digits is 960, while the sum is 23.

The square root of 245141321 is about 15656.9895254484. The cubic root of 245141321 is about 625.8527631960.

Adding to 245141321 its reverse (123141542), we get a palindrome (368282863).

The spelling of 245141321 in words is "two hundred forty-five million, one hundred forty-one thousand, three hundred twenty-one".