150000545 has 4 divisors (see below), whose sum is σ = 180000660. Its totient is φ = 120000432.

The previous prime is 150000541. The next prime is 150000551. The reversal of 150000545 is 545000051.

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 79423744 + 70576801 = 8912^2 + 8401^2 .

It is a cyclic number.

It is not a de Polignac number, because 150000545 - 2² = 150000541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150000541) 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 3 ways as a sum of consecutive naturals, for example, 15000050 + ... + 15000059.

It is an arithmetic number, because the mean of its divisors is an integer number (45000165).

Almost surely, 2^150000545 is an apocalyptic number.

It is an amenable number.

150000545 is a deficient number, since it is larger than the sum of its proper divisors (30000115).

150000545 is an equidigital number, since it uses as much as digits as its factorization.

150000545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30000114.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 150000545 is about 12247.4709634275. The cubic root of 150000545 is about 531.3299280893.

Adding to 150000545 its reverse (545000051), we get a palindrome (695000596).

The spelling of 150000545 in words is "one hundred fifty million, five hundred forty-five", and thus it is an aban number.