2145314456434 has 8 divisors (see below), whose sum is σ = 3218054328540. Its totient is φ = 1072629680256.

The previous prime is 2145314456423. The next prime is 2145314456449. The reversal of 2145314456434 is 4346544135412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2125137106225 + 20177350209 = 1457785^2 + 142047^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13676499 + ... + 13832470.

Almost surely, 2^{2145314456434} is an apocalyptic number.

2145314456434 is a deficient number, since it is larger than the sum of its proper divisors (1072739872106).

2145314456434 is a wasteful number, since it uses less digits than its factorization.

2145314456434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27547964.

The product of its digits is 2764800, while the sum is 46.

The spelling of 2145314456434 in words is "two trillion, one hundred forty-five billion, three hundred fourteen million, four hundred fifty-six thousand, four hundred thirty-four".