2145302673 has 16 divisors (see below), whose sum is σ = 3011953920. Its totient is φ = 1354476816.

The previous prime is 2145302671. The next prime is 2145302683. The reversal of 2145302673 is 3762035412.

It is not a de Polignac number, because 2145302673 - 2¹ = 2145302671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145302671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280486 + ... + 288032.

It is an arithmetic number, because the mean of its divisors is an integer number (188247120).

Almost surely, 2^2145302673 is an apocalyptic number.

It is an amenable number.

2145302673 is a deficient number, since it is larger than the sum of its proper divisors (866651247).

2145302673 is a wasteful number, since it uses less digits than its factorization.

2145302673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12556.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2145302673 is about 46317.4122010287. The cubic root of 2145302673 is about 1289.7222471534.

The spelling of 2145302673 in words is "two billion, one hundred forty-five million, three hundred two thousand, six hundred seventy-three".