2150545 has 8 divisors (see below), whose sum is σ = 2589696. Its totient is φ = 1714416.

The previous prime is 2150543. The next prime is 2150567. The reversal of 2150545 is 5450512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2150545 - 2¹ = 2150543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (323712).

2^2150545 is an apocalyptic number.

It is an amenable number.

2150545 is a deficient number, since it is larger than the sum of its proper divisors (439151).

2150545 is a wasteful number, since it uses less digits than its factorization.

2150545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2150545 is about 1466.4736615432. The cubic root of 2150545 is about 129.0771927471.

The spelling of 2150545 in words is "two million, one hundred fifty thousand, five hundred forty-five".