145844259 has 16 divisors (see below), whose sum is σ = 212526720. Its totient is φ = 88228160.

The previous prime is 145844239. The next prime is 145844267. The reversal of 145844259 is 952448541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145844259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145844259.

It is not an unprimeable number, because it can be changed into a prime (145844239) 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 15 ways as a sum of consecutive naturals, for example, 15607 + ... + 23135.

It is an arithmetic number, because the mean of its divisors is an integer number (13282920).

Almost surely, 2^145844259 is an apocalyptic number.

145844259 is a deficient number, since it is larger than the sum of its proper divisors (66682461).

145844259 is a wasteful number, since it uses less digits than its factorization.

145844259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130.

The product of its digits is 230400, while the sum is 42.

The square root of 145844259 is about 12076.5996455956. The cubic root of 145844259 is about 526.3764443221.

The spelling of 145844259 in words is "one hundred forty-five million, eight hundred forty-four thousand, two hundred fifty-nine".