2150506145 has 4 divisors (see below), whose sum is σ = 2580607380. Its totient is φ = 1720404912.

The previous prime is 2150506121. The next prime is 2150506157. The reversal of 2150506145 is 5416050512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 365612641 + 1784893504 = 19121^2 + 42248^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150506145 - 2⁶ = 2150506081 is a prime.

It is a super-2 number, since 2×2150506145² = 9249353359365522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215050610 + ... + 215050619.

It is an arithmetic number, because the mean of its divisors is an integer number (645151845).

Almost surely, 2^2150506145 is an apocalyptic number.

It is an amenable number.

2150506145 is a deficient number, since it is larger than the sum of its proper divisors (430101235).

2150506145 is an equidigital number, since it uses as much as digits as its factorization.

2150506145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430101234.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2150506145 is about 46373.5500581959. The cubic root of 2150506145 is about 1290.7641537450.

Adding to 2150506145 its reverse (5416050512), we get a palindrome (7566556657).

The spelling of 2150506145 in words is "two billion, one hundred fifty million, five hundred six thousand, one hundred forty-five".