2145134241456 has 80 divisors (see below), whose sum is σ = 5562749865984. Its totient is φ = 712320440832.

The previous prime is 2145134241449. The next prime is 2145134241461. The reversal of 2145134241456 is 6541424315412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13410460 + ... + 13569476.

Almost surely, 2^{2145134241456} is an apocalyptic number.

It is an amenable number.

2145134241456 is an abundant number, since it is smaller than the sum of its proper divisors (3417615624528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145134241456 is a wasteful number, since it uses less digits than its factorization.

2145134241456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160098 (or 160092 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

Adding to 2145134241456 its reverse (6541424315412), we get a palindrome (8686558556868).

The spelling of 2145134241456 in words is "two trillion, one hundred forty-five billion, one hundred thirty-four million, two hundred forty-one thousand, four hundred fifty-six".