245149618801 has 8 divisors (see below), whose sum is σ = 251784056360. Its totient is φ = 238515643008.

The previous prime is 245149618781. The next prime is 245149618829. The reversal of 245149618801 is 108816941542.

It can be written as a sum of positive squares in 4 ways, for example, as 230783199201 + 14366419600 = 480399^2 + 119860^2 .

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 245149618801 - 2²⁷ = 245015401073 is a prime.

It is a super-2 number, since 2×245149618801² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245149618841) 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, 1144165 + ... + 1341421.

It is an arithmetic number, because the mean of its divisors is an integer number (31473007045).

Almost surely, 2^245149618801 is an apocalyptic number.

It is an amenable number.

245149618801 is a deficient number, since it is larger than the sum of its proper divisors (6634437559).

245149618801 is a wasteful number, since it uses less digits than its factorization.

245149618801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230883.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 245149618801 in words is "two hundred forty-five billion, one hundred forty-nine million, six hundred eighteen thousand, eight hundred one".