145966559 has 8 divisors (see below), whose sum is σ = 147193200. Its totient is φ = 144745216.

The previous prime is 145966549. The next prime is 145966567. The reversal of 145966559 is 955669541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145966559 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 (145966529) 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, 68492 + ... + 70590.

It is an arithmetic number, because the mean of its divisors is an integer number (18399150).

Almost surely, 2^145966559 is an apocalyptic number.

145966559 is a deficient number, since it is larger than the sum of its proper divisors (1226641).

145966559 is a wasteful number, since it uses less digits than its factorization.

145966559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649.

The product of its digits is 1458000, while the sum is 50.

The square root of 145966559 is about 12081.6620959204. The cubic root of 145966559 is about 526.5235369662.

The spelling of 145966559 in words is "one hundred forty-five million, nine hundred sixty-six thousand, five hundred fifty-nine".