145150517 has 8 divisors (see below), whose sum is σ = 148453560. Its totient is φ = 141868480.

The previous prime is 145150513. The next prime is 145150549. The reversal of 145150517 is 715051541.

It can be written as a sum of positive squares in 4 ways, for example, as 12117361 + 133033156 = 3481^2 + 11534^2 .

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 145150517 - 2² = 145150513 is a prime.

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 145150517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145150513) 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, 9167 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (18556695).

Almost surely, 2^145150517 is an apocalyptic number.

It is an amenable number.

145150517 is a deficient number, since it is larger than the sum of its proper divisors (3303043).

145150517 is a wasteful number, since it uses less digits than its factorization.

145150517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 145150517 is about 12047.8428359603. The cubic root of 145150517 is about 525.5405069803.

The spelling of 145150517 in words is "one hundred forty-five million, one hundred fifty thousand, five hundred seventeen".