150444545 has 4 divisors (see below), whose sum is σ = 180533460. Its totient is φ = 120355632.

The previous prime is 150444533. The next prime is 150444563. The reversal of 150444545 is 545444051.

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 29246464 + 121198081 = 5408^2 + 11009^2 .

It is a cyclic number.

It is not a de Polignac number, because 150444545 - 2¹⁸ = 150182401 is a prime.

It is a super-2 number, since 2×150444545² = 45267122240514050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 15044450 + ... + 15044459.

It is an arithmetic number, because the mean of its divisors is an integer number (45133365).

Almost surely, 2^150444545 is an apocalyptic number.

It is an amenable number.

150444545 is a deficient number, since it is larger than the sum of its proper divisors (30088915).

150444545 is an equidigital number, since it uses as much as digits as its factorization.

150444545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30088914.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 150444545 is about 12265.5837610772. The cubic root of 150444545 is about 531.8536553107.

Adding to 150444545 its reverse (545444051), we get a palindrome (695888596).

The spelling of 150444545 in words is "one hundred fifty million, four hundred forty-four thousand, five hundred forty-five".