2145502496 has 48 divisors (see below), whose sum is σ = 4473756000. Its totient is φ = 1010009088.

The previous prime is 2145502451. The next prime is 2145502511. The reversal of 2145502496 is 6942055412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 88280 + ... + 109928.

It is an arithmetic number, because the mean of its divisors is an integer number (93203250).

Almost surely, 2^2145502496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145502496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2236878000).

2145502496 is an abundant number, since it is smaller than the sum of its proper divisors (2328253504).

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

2145502496 is a wasteful number, since it uses less digits than its factorization.

2145502496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841 (or 21833 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 2145502496 is about 46319.5692553374. The cubic root of 2145502496 is about 1289.7622893924.

The spelling of 2145502496 in words is "two billion, one hundred forty-five million, five hundred two thousand, four hundred ninety-six".