2145335026 has 16 divisors (see below), whose sum is σ = 3410135640. Its totient is φ = 1008728320.

The previous prime is 2145334979. The next prime is 2145335029. The reversal of 2145335026 is 6205335412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2002652001 + 142683025 = 44751^2 + 11945^2 .

It is not an unprimeable number, because it can be changed into a prime (2145335029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16116 + ... + 67456.

Almost surely, 2^2145335026 is an apocalyptic number.

2145335026 is a deficient number, since it is larger than the sum of its proper divisors (1264800614).

2145335026 is a wasteful number, since it uses less digits than its factorization.

2145335026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52589.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2145335026 is about 46317.7614528163. The cubic root of 2145335026 is about 1289.7287304925.

The spelling of 2145335026 in words is "two billion, one hundred forty-five million, three hundred thirty-five thousand, twenty-six".