2145104235 has 64 divisors (see below), whose sum is σ = 3915648000. Its totient is φ = 1113606144.

The previous prime is 2145104233. The next prime is 2145104239. The reversal of 2145104235 is 5324015412.

It is not a de Polignac number, because 2145104235 - 2¹ = 2145104233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2145104199 and 2145104208.

It is not an unprimeable number, because it can be changed into a prime (2145104231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2606034 + ... + 2606856.

It is an arithmetic number, because the mean of its divisors is an integer number (61182000).

Almost surely, 2^2145104235 is an apocalyptic number.

2145104235 is a deficient number, since it is larger than the sum of its proper divisors (1770543765).

2145104235 is a wasteful number, since it uses less digits than its factorization.

2145104235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2145104235 is about 46315.2699981334. The cubic root of 2145104235 is about 1289.6824799917.

Adding to 2145104235 its reverse (5324015412), we get a palindrome (7469119647).

The spelling of 2145104235 in words is "two billion, one hundred forty-five million, one hundred four thousand, two hundred thirty-five".