150745517 has 4 divisors (see below), whose sum is σ = 162341340. Its totient is φ = 139149696.

The previous prime is 150745489. The next prime is 150745523. The reversal of 150745517 is 715547051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715547051 = 17 ⋅42091003.

It can be written as a sum of positive squares in 2 ways, for example, as 26512201 + 124233316 = 5149^2 + 11146^2 .

It is a cyclic number.

It is not a de Polignac number, because 150745517 - 2¹⁸ = 150483373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150745537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5797892 + ... + 5797917.

It is an arithmetic number, because the mean of its divisors is an integer number (40585335).

Almost surely, 2^150745517 is an apocalyptic number.

It is an amenable number.

150745517 is a deficient number, since it is larger than the sum of its proper divisors (11595823).

150745517 is a wasteful number, since it uses less digits than its factorization.

150745517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11595822.

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 150745517 is about 12277.8465945784. The cubic root of 150745517 is about 532.2080858686.

The spelling of 150745517 in words is "one hundred fifty million, seven hundred forty-five thousand, five hundred seventeen".