12141545 has 8 divisors (see below), whose sum is σ = 15690696. Its totient is φ = 8966016.

The previous prime is 12141541. The next prime is 12141559. The reversal of 12141545 is 54514121.

It can be written as a sum of positive squares in 4 ways, for example, as 2679769 + 9461776 = 1637^2 + 3076^2 .

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 12141545 - 2² = 12141541 is a prime.

It is a super-2 number, since 2×12141545² = 294834229974050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12141545.

It is not an unprimeable number, because it can be changed into a prime (12141541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93332 + ... + 93461.

It is an arithmetic number, because the mean of its divisors is an integer number (1961337).

Almost surely, 2^12141545 is an apocalyptic number.

It is an amenable number.

12141545 is a deficient number, since it is larger than the sum of its proper divisors (3549151).

12141545 is a wasteful number, since it uses less digits than its factorization.

12141545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186811.

The product of its digits is 800, while the sum is 23.

The square root of 12141545 is about 3484.4719829552. The cubic root of 12141545 is about 229.8394910370.

Adding to 12141545 its reverse (54514121), we get a palindrome (66655666).

The spelling of 12141545 in words is "twelve million, one hundred forty-one thousand, five hundred forty-five".