2145312202 has 8 divisors (see below), whose sum is σ = 3510510912. Its totient is φ = 975141900.

The previous prime is 2145312193. The next prime is 2145312223. The reversal of 2145312202 is 2022135412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 97514191 = 2145312202 / (2 + 1 + 4 + 5 + 3 + 1 + 2 + 2 + 0 + 2).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48757074 + ... + 48757117.

It is an arithmetic number, because the mean of its divisors is an integer number (438813864).

Almost surely, 2^2145312202 is an apocalyptic number.

2145312202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2145312202 is a deficient number, since it is larger than the sum of its proper divisors (1365198710).

2145312202 is a wasteful number, since it uses less digits than its factorization.

2145312202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97514204.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2145312202 is about 46317.5150671968. The cubic root of 2145312202 is about 1289.7241567122.

Adding to 2145312202 its reverse (2022135412), we get a palindrome (4167447614).

The spelling of 2145312202 in words is "two billion, one hundred forty-five million, three hundred twelve thousand, two hundred two".