2145315203234 has 96 divisors (see below), whose sum is σ = 3974435942400. Its totient is φ = 850187578464.

The previous prime is 2145315203231. The next prime is 2145315203243. The reversal of 2145315203234 is 4323025135412.

It is a junction number, because it is equal to n+sod(n) for n = 2145315203194 and 2145315203203.

It is not an unprimeable number, because it can be changed into a prime (2145315203231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 456156527 + ... + 456161229.

It is an arithmetic number, because the mean of its divisors is an integer number (41400374400).

Almost surely, 2^{2145315203234} is an apocalyptic number.

2145315203234 is a deficient number, since it is larger than the sum of its proper divisors (1829120739166).

2145315203234 is a wasteful number, since it uses less digits than its factorization.

2145315203234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 2145315203234 in words is "two trillion, one hundred forty-five billion, three hundred fifteen million, two hundred three thousand, two hundred thirty-four".