2145320435 has 16 divisors (see below), whose sum is σ = 2665025280. Its totient is φ = 1656145920.

The previous prime is 2145320431. The next prime is 2145320453. The reversal of 2145320435 is 5340235412.

It is a happy number.

It is not a de Polignac number, because 2145320435 - 2² = 2145320431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145320398 and 2145320407.

It is not an unprimeable number, because it can be changed into a prime (2145320431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35111 + ... + 74319.

It is an arithmetic number, because the mean of its divisors is an integer number (166564080).

Almost surely, 2^2145320435 is an apocalyptic number.

2145320435 is a deficient number, since it is larger than the sum of its proper divisors (519704845).

2145320435 is a wasteful number, since it uses less digits than its factorization.

2145320435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39598.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2145320435 is about 46317.6039427775. The cubic root of 2145320435 is about 1289.7258065553.

Adding to 2145320435 its reverse (5340235412), we get a palindrome (7485555847).

The spelling of 2145320435 in words is "two billion, one hundred forty-five million, three hundred twenty thousand, four hundred thirty-five".