245446137403 has 4 divisors (see below), whose sum is σ = 245454275968. Its totient is φ = 245437998840.

The previous prime is 245446137397. The next prime is 245446137407. The reversal of 245446137403 is 304731644542.

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 245446137403 - 2⁵ = 245446137371 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 245446137403.

It is not an unprimeable number, because it can be changed into a prime (245446137407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023876 + ... + 4084417.

It is an arithmetic number, because the mean of its divisors is an integer number (61363568992).

Almost surely, 2^245446137403 is an apocalyptic number.

245446137403 is a deficient number, since it is larger than the sum of its proper divisors (8138565).

245446137403 is an equidigital number, since it uses as much as digits as its factorization.

245446137403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138564.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 245446137403 in words is "two hundred forty-five billion, four hundred forty-six million, one hundred thirty-seven thousand, four hundred three".