545115149 has 16 divisors (see below), whose sum is σ = 616651200. Its totient is φ = 478773504.

The previous prime is 545115143. The next prime is 545115161. The reversal of 545115149 is 941511545.

It is a cyclic number.

It is not a de Polignac number, because 545115149 - 2⁸ = 545114893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545115143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9047 + ... + 34235.

It is an arithmetic number, because the mean of its divisors is an integer number (38540700).

Almost surely, 2^545115149 is an apocalyptic number.

It is an amenable number.

545115149 is a deficient number, since it is larger than the sum of its proper divisors (71536051).

545115149 is a wasteful number, since it uses less digits than its factorization.

545115149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25292.

The product of its digits is 18000, while the sum is 35.

The square root of 545115149 is about 23347.7011502203. The cubic root of 545115149 is about 816.8884403575. Note that the first 3 decimals are identical.

The spelling of 545115149 in words is "five hundred forty-five million, one hundred fifteen thousand, one hundred forty-nine".