2145342215594 has 8 divisors (see below), whose sum is σ = 3218225961348. Its totient is φ = 1072600228480.

The previous prime is 2145342215593. The next prime is 2145342215641. The reversal of 2145342215594 is 4955122435412.

It can be written as a sum of positive squares in 2 ways, for example, as 1914312986569 + 231029229025 = 1383587^2 + 480655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2145342215593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35401817 + ... + 35462364.

Almost surely, 2^{2145342215594} is an apocalyptic number.

2145342215594 is a deficient number, since it is larger than the sum of its proper divisors (1072883745754).

2145342215594 is a wasteful number, since it uses less digits than its factorization.

2145342215594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70879320.

The product of its digits is 1728000, while the sum is 47.

The spelling of 2145342215594 in words is "two trillion, one hundred forty-five billion, three hundred forty-two million, two hundred fifteen thousand, five hundred ninety-four".