245415143140545 has 32 divisors (see below), whose sum is σ = 452034732918528. Its totient is φ = 111370876213248.

The previous prime is 245415143140543. The next prime is 245415143140567. The reversal of 245415143140545 is 545041341514542.

It is not a de Polignac number, because 245415143140545 - 2¹ = 245415143140543 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245415143140494 and 245415143140503.

It is not an unprimeable number, because it can be changed into a prime (245415143140543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8530230424 + ... + 8530259193.

It is an arithmetic number, because the mean of its divisors is an integer number (14126085403704).

Almost surely, 2^{245415143140545} is an apocalyptic number.

It is an amenable number.

245415143140545 is a deficient number, since it is larger than the sum of its proper divisors (206619589777983).

245415143140545 is a wasteful number, since it uses less digits than its factorization.

245415143140545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060489769.

The product of its (nonzero) digits is 3840000, while the sum is 48.

The spelling of 245415143140545 in words is "two hundred forty-five trillion, four hundred fifteen billion, one hundred forty-three million, one hundred forty thousand, five hundred forty-five".