2145949060 has 24 divisors (see below), whose sum is σ = 4516162560. Its totient is φ = 856537824.

The previous prime is 2145949037. The next prime is 2145949087. The reversal of 2145949060 is 609495412.

It is a super-2 number, since 2×2145949060² = 9210194736229767200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105540 + ... + 124219.

It is an arithmetic number, because the mean of its divisors is an integer number (188173440).

Almost surely, 2^2145949060 is an apocalyptic number.

2145949060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145949060 is an abundant number, since it is smaller than the sum of its proper divisors (2370213500).

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

2145949060 is a wasteful number, since it uses less digits than its factorization.

2145949060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230235 (or 230233 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2145949060 is about 46324.3894725014. The cubic root of 2145949060 is about 1289.8517667142.

The spelling of 2145949060 in words is "two billion, one hundred forty-five million, nine hundred forty-nine thousand, sixty".