245516456445 has 32 divisors (see below), whose sum is σ = 437631465600. Its totient is φ = 116701718784.

The previous prime is 245516456369. The next prime is 245516456453. The reversal of 245516456445 is 544654615542.

It is not a de Polignac number, because 245516456445 - 2¹³ = 245516448253 is a prime.

It is a congruent 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, 21702255 + ... + 21713564.

It is an arithmetic number, because the mean of its divisors is an integer number (13675983300).

Almost surely, 2^245516456445 is an apocalyptic number.

It is an amenable number.

245516456445 is a deficient number, since it is larger than the sum of its proper divisors (192115009155).

245516456445 is a wasteful number, since it uses less digits than its factorization.

245516456445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43415869.

The product of its digits is 11520000, while the sum is 51.

The spelling of 245516456445 in words is "two hundred forty-five billion, five hundred sixteen million, four hundred fifty-six thousand, four hundred forty-five".