245024325405149 has 4 divisors (see below), whose sum is σ = 245024366478780. Its totient is φ = 245024284331520.

The previous prime is 245024325405137. The next prime is 245024325405199. The reversal of 245024325405149 is 941504523420542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236984934319225 + 8039391085924 = 15394315^2 + 2835382^2 .

It is a cyclic number.

It is not a de Polignac number, because 245024325405149 - 2²⁸ = 245024056969693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245024325405097 and 245024325405106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245024325405199) 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, 9672932 + ... + 24158109.

It is an arithmetic number, because the mean of its divisors is an integer number (61256091619695).

Almost surely, 2^{245024325405149} is an apocalyptic number.

It is an amenable number.

245024325405149 is a deficient number, since it is larger than the sum of its proper divisors (41073631).

245024325405149 is an equidigital number, since it uses as much as digits as its factorization.

245024325405149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41073630.

The product of its (nonzero) digits is 6912000, while the sum is 50.

The spelling of 245024325405149 in words is "two hundred forty-five trillion, twenty-four billion, three hundred twenty-five million, four hundred five thousand, one hundred forty-nine".