2145550350 has 48 divisors (see below), whose sum is σ = 5339872512. Its totient is φ = 570113760.

The previous prime is 2145550333. The next prime is 2145550361. The reversal of 2145550350 is 530555412.

It is a happy number.

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

It is a congruent 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, 17179 + ... + 67721.

It is an arithmetic number, because the mean of its divisors is an integer number (111247344).

Almost surely, 2^2145550350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145550350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2669936256).

2145550350 is an abundant number, since it is smaller than the sum of its proper divisors (3194322162).

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

2145550350 is a wasteful number, since it uses less digits than its factorization.

2145550350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50841 (or 50836 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2145550350 is about 46320.0858159827. The cubic root of 2145550350 is about 1289.7718784166.

The spelling of 2145550350 in words is "two billion, one hundred forty-five million, five hundred fifty thousand, three hundred fifty".