145248258 has 8 divisors (see below), whose sum is σ = 290496528. Its totient is φ = 48416084.

The previous prime is 145248251. The next prime is 145248263. The reversal of 145248258 is 852842541.

It is a happy number.

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

145248258 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (145248251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12104016 + ... + 12104027.

It is an arithmetic number, because the mean of its divisors is an integer number (36312066).

Almost surely, 2^145248258 is an apocalyptic number.

145248258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145248258 is a wasteful number, since it uses less digits than its factorization.

145248258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24208048.

The product of its digits is 102400, while the sum is 39.

The square root of 145248258 is about 12051.8985226395. The cubic root of 145248258 is about 525.6584427854.

The spelling of 145248258 in words is "one hundred forty-five million, two hundred forty-eight thousand, two hundred fifty-eight".