145259559 has 24 divisors (see below), whose sum is σ = 220208352. Its totient is φ = 92093760.

The previous prime is 145259557. The next prime is 145259567. The reversal of 145259559 is 955952541.

145259559 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 595 + 59 = 666.

It is not a de Polignac number, because 145259559 - 2¹ = 145259557 is a prime.

It is a super-2 number, since 2×145259559² = 42200678961748962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145259557) 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 23 ways as a sum of consecutive naturals, for example, 35529 + ... + 39405.

It is an arithmetic number, because the mean of its divisors is an integer number (9175348).

Almost surely, 2^145259559 is an apocalyptic number.

145259559 is a deficient number, since it is larger than the sum of its proper divisors (74948793).

145259559 is a wasteful number, since it uses less digits than its factorization.

145259559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087 (or 4084 counting only the distinct ones).

The product of its digits is 405000, while the sum is 45.

The square root of 145259559 is about 12052.3673608134. The cubic root of 145259559 is about 525.6720753344.

The spelling of 145259559 in words is "one hundred forty-five million, two hundred fifty-nine thousand, five hundred fifty-nine".