3145245256461 has 32 divisors (see below), whose sum is σ = 5369769381888. Its totient is φ = 1589734347840.

The previous prime is 3145245256451. The next prime is 3145245256469. The reversal of 3145245256461 is 1646525425413.

It is not a de Polignac number, because 3145245256461 - 2⁶ = 3145245256397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3145245256461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145245256469) 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, 183988485 + ... + 184005578.

It is an arithmetic number, because the mean of its divisors is an integer number (167805293184).

Almost surely, 2^{3145245256461} is an apocalyptic number.

It is an amenable number.

3145245256461 is a deficient number, since it is larger than the sum of its proper divisors (2224524125427).

3145245256461 is a wasteful number, since it uses less digits than its factorization.

3145245256461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367994121.

The product of its digits is 3456000, while the sum is 48.

The spelling of 3145245256461 in words is "three trillion, one hundred forty-five billion, two hundred forty-five million, two hundred fifty-six thousand, four hundred sixty-one".