145443458 has 16 divisors (see below), whose sum is σ = 224104320. Its totient is φ = 70755216.

The previous prime is 145443443. The next prime is 145443481. The reversal of 145443458 is 854344541.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19991 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (14006520).

Almost surely, 2^145443458 is an apocalyptic number.

145443458 is a deficient number, since it is larger than the sum of its proper divisors (78660862).

145443458 is a wasteful number, since it uses less digits than its factorization.

145443458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601.

The product of its digits is 153600, while the sum is 38.

The square root of 145443458 is about 12059.9941127680. The cubic root of 145443458 is about 525.8938158823.

Adding to 145443458 its reverse (854344541), we get a palindrome (999787999).

The spelling of 145443458 in words is "one hundred forty-five million, four hundred forty-three thousand, four hundred fifty-eight".