145365573 has 8 divisors (see below), whose sum is σ = 195536448. Its totient is φ = 96052544.

The previous prime is 145365559. The next prime is 145365581. The reversal of 145365573 is 375563541.

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 145365573 - 2²⁶ = 78256709 is a prime.

It is a super-2 number, since 2×145365573² = 42262299627236658, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145365593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214065 + ... + 214742.

It is an arithmetic number, because the mean of its divisors is an integer number (24442056).

Almost surely, 2^145365573 is an apocalyptic number.

It is an amenable number.

145365573 is a deficient number, since it is larger than the sum of its proper divisors (50170875).

145365573 is a wasteful number, since it uses less digits than its factorization.

145365573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428923.

The product of its digits is 189000, while the sum is 39.

The square root of 145365573 is about 12056.7646157665. The cubic root of 145365573 is about 525.7999270410.

The spelling of 145365573 in words is "one hundred forty-five million, three hundred sixty-five thousand, five hundred seventy-three".