2145343610 has 16 divisors (see below), whose sum is σ = 3881630376. Its totient is φ = 853690368.

The previous prime is 2145343553. The next prime is 2145343619. The reversal of 2145343610 is 163435412.

It can be written as a sum of positive squares in 4 ways, for example, as 1744983529 + 400360081 = 41773^2 + 20009^2 .

It is not an unprimeable number, because it can be changed into a prime (2145343619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553859 + ... + 557718.

Almost surely, 2^2145343610 is an apocalyptic number.

2145343610 is a deficient number, since it is larger than the sum of its proper divisors (1736286766).

2145343610 is a wasteful number, since it uses less digits than its factorization.

2145343610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111777.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2145343610 is about 46317.8541169601. The cubic root of 2145343610 is about 1289.7304506615.

The spelling of 2145343610 in words is "two billion, one hundred forty-five million, three hundred forty-three thousand, six hundred ten".