12150045 has 12 divisors (see below), whose sum is σ = 21060156. Its totient is φ = 6480000.

The previous prime is 12150031. The next prime is 12150059. The reversal of 12150045 is 54005121.

12150045 is a `hidden beast` number, since 121 + 500 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (12150031) and next prime (12150059).

It can be written as a sum of positive squares in 2 ways, for example, as 5212089 + 6937956 = 2283^2 + 2634^2 .

It is not a de Polignac number, because 12150045 - 2⁴ = 12150029 is a prime.

It is a super-3 number, since 3×12150045³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134956 + ... + 135045.

It is an arithmetic number, because the mean of its divisors is an integer number (1755013).

Almost surely, 2^12150045 is an apocalyptic number.

12150045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12150045 is a deficient number, since it is larger than the sum of its proper divisors (8910111).

12150045 is a wasteful number, since it uses less digits than its factorization.

12150045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270012 (or 270009 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12150045 is about 3485.6914665529. The cubic root of 12150045 is about 229.8931135360.

Adding to 12150045 its reverse (54005121), we get a palindrome (66155166).

The spelling of 12150045 in words is "twelve million, one hundred fifty thousand, forty-five".