2145232650 has 48 divisors (see below), whose sum is σ = 5803833888. Its totient is φ = 520056000.

The previous prime is 2145232637. The next prime is 2145232679. The reversal of 2145232650 is 562325412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648421 + ... + 651720.

It is an arithmetic number, because the mean of its divisors is an integer number (120913206).

Almost surely, 2^2145232650 is an apocalyptic number.

2145232650 is an abundant number, since it is smaller than the sum of its proper divisors (3658601238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145232650 is a wasteful number, since it uses less digits than its factorization.

2145232650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300167 (or 1300162 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2145232650 is about 46316.6562912307. The cubic root of 2145232650 is about 1289.7082147584.

The spelling of 2145232650 in words is "two billion, one hundred forty-five million, two hundred thirty-two thousand, six hundred fifty".