2150745975 has 108 divisors (see below), whose sum is σ = 4501764696. Its totient is φ = 978687360.

The previous prime is 2150745941. The next prime is 2150745977. The reversal of 2150745975 is 5795470512.

2150745975 is a `hidden beast` number, since 2 + 1 + 50 + 7 + 4 + 597 + 5 = 666.

It is not a de Polignac number, because 2150745975 - 2⁶ = 2150745911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2150745975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150745977) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4112064 + ... + 4112586.

Almost surely, 2^2150745975 is an apocalyptic number.

2150745975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2150745975 is an abundant number, since it is smaller than the sum of its proper divisors (2351018721).

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

2150745975 is a wasteful number, since it uses less digits than its factorization.

2150745975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The square root of 2150745975 is about 46376.1358351469. The cubic root of 2150745975 is about 1290.8121350788.

The spelling of 2150745975 in words is "two billion, one hundred fifty million, seven hundred forty-five thousand, nine hundred seventy-five".