145357589 has 8 divisors (see below), whose sum is σ = 156737280. Its totient is φ = 134006256.

The previous prime is 145357579. The next prime is 145357591. The reversal of 145357589 is 985753541.

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 145357589 - 2²⁰ = 144309013 is a prime.

It is a super-2 number, since 2×145357589² = 42257657359785842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145357579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4244 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (19592160).

Almost surely, 2^145357589 is an apocalyptic number.

It is an amenable number.

145357589 is a deficient number, since it is larger than the sum of its proper divisors (11379691).

145357589 is a wasteful number, since it uses less digits than its factorization.

145357589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14179.

The product of its digits is 756000, while the sum is 47.

The square root of 145357589 is about 12056.4335107858. The cubic root of 145357589 is about 525.7903005905.

The spelling of 145357589 in words is "one hundred forty-five million, three hundred fifty-seven thousand, five hundred eighty-nine".