145081258 has 48 divisors (see below), whose sum is σ = 265939200. Its totient is φ = 59105760.

The previous prime is 145081249. The next prime is 145081259. The reversal of 145081258 is 852180541.

It is not an unprimeable number, because it can be changed into a prime (145081259) 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, 201423 + ... + 202141.

It is an arithmetic number, because the mean of its divisors is an integer number (5540400).

Almost surely, 2^145081258 is an apocalyptic number.

145081258 is a deficient number, since it is larger than the sum of its proper divisors (120857942).

145081258 is a wasteful number, since it uses less digits than its factorization.

145081258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 145081258 is about 12044.9681610206. The cubic root of 145081258 is about 525.4569059445.

The spelling of 145081258 in words is "one hundred forty-five million, eighty-one thousand, two hundred fifty-eight".