245120300105 has 32 divisors (see below), whose sum is σ = 311922551808. Its totient is φ = 184615833600.

The previous prime is 245120300093. The next prime is 245120300143. The reversal of 245120300105 is 501003021542.

It is not a de Polignac number, because 245120300105 - 2¹⁸ = 245120037961 is a prime.

It is a super-2 number, since 2×245120300105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2188682 + ... + 2297948.

It is an arithmetic number, because the mean of its divisors is an integer number (9747579744).

Almost surely, 2^245120300105 is an apocalyptic number.

It is an amenable number.

245120300105 is a deficient number, since it is larger than the sum of its proper divisors (66802251703).

245120300105 is a wasteful number, since it uses less digits than its factorization.

245120300105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109697.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 245120300105 its reverse (501003021542), we get a palindrome (746123321647).

The spelling of 245120300105 in words is "two hundred forty-five billion, one hundred twenty million, three hundred thousand, one hundred five".