145517559 has 16 divisors (see below), whose sum is σ = 217384320. Its totient is φ = 85808160.

The previous prime is 145517531. The next prime is 145517579. The reversal of 145517559 is 955715541.

It is not a de Polignac number, because 145517559 - 2¹² = 145513463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145517559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145517579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58369 + ... + 60810.

It is an arithmetic number, because the mean of its divisors is an integer number (13586520).

Almost surely, 2^145517559 is an apocalyptic number.

145517559 is a deficient number, since it is larger than the sum of its proper divisors (71866761).

145517559 is a wasteful number, since it uses less digits than its factorization.

145517559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119230.

The product of its digits is 157500, while the sum is 42.

The square root of 145517559 is about 12063.0659038240. The cubic root of 145517559 is about 525.9831120757.

The spelling of 145517559 in words is "one hundred forty-five million, five hundred seventeen thousand, five hundred fifty-nine".