2145303142 has 16 divisors (see below), whose sum is σ = 3312338400. Its totient is φ = 1041320448.

The previous prime is 2145303113. The next prime is 2145303157. The reversal of 2145303142 is 2413035412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 65509.

It is an arithmetic number, because the mean of its divisors is an integer number (207021150).

Almost surely, 2^2145303142 is an apocalyptic number.

2145303142 is a deficient number, since it is larger than the sum of its proper divisors (1167035258).

2145303142 is a wasteful number, since it uses less digits than its factorization.

2145303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65055.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2145303142 is about 46317.4172639192. The cubic root of 2145303142 is about 1289.7223411385.

Adding to 2145303142 its reverse (2413035412), we get a palindrome (4558338554).

The spelling of 2145303142 in words is "two billion, one hundred forty-five million, three hundred three thousand, one hundred forty-two".