245404372147 has 16 divisors (see below), whose sum is σ = 270742345344. Its totient is φ = 222420481800.

The previous prime is 245404372127. The next prime is 245404372211. The reversal of 245404372147 is 741273404542.

It is not a de Polignac number, because 245404372147 - 2²⁷ = 245270154419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245404372127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162048 + ... + 719074.

It is an arithmetic number, because the mean of its divisors is an integer number (16921396584).

Almost surely, 2^245404372147 is an apocalyptic number.

245404372147 is a deficient number, since it is larger than the sum of its proper divisors (25337973197).

245404372147 is an equidigital number, since it uses as much as digits as its factorization.

245404372147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557391 (or 557369 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 43.

Adding to 245404372147 its reverse (741273404542), we get a palindrome (986677776689).

The spelling of 245404372147 in words is "two hundred forty-five billion, four hundred four million, three hundred seventy-two thousand, one hundred forty-seven".