2145140302 has 8 divisors (see below), whose sum is σ = 3218674536. Its totient is φ = 1072248792.

The previous prime is 2145140297. The next prime is 2145140303. The reversal of 2145140302 is 2030415412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145140303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152248 + ... + 165739.

It is an arithmetic number, because the mean of its divisors is an integer number (402334317).

Almost surely, 2^2145140302 is an apocalyptic number.

2145140302 is a deficient number, since it is larger than the sum of its proper divisors (1073534234).

2145140302 is a wasteful number, since it uses less digits than its factorization.

2145140302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321362.

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

The square root of 2145140302 is about 46315.6593605230. The cubic root of 2145140302 is about 1289.6897080348.

Adding to 2145140302 its reverse (2030415412), we get a palindrome (4175555714).

The spelling of 2145140302 in words is "two billion, one hundred forty-five million, one hundred forty thousand, three hundred two".