145117468 has 24 divisors (see below), whose sum is σ = 258781824. Its totient is φ = 71190000.

The previous prime is 145117463. The next prime is 145117481. The reversal of 145117468 is 864711541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145117463) 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 7 ways as a sum of consecutive naturals, for example, 63343 + ... + 65593.

It is an arithmetic number, because the mean of its divisors is an integer number (10782576).

Almost surely, 2^145117468 is an apocalyptic number.

It is an amenable number.

145117468 is a deficient number, since it is larger than the sum of its proper divisors (113664356).

145117468 is a wasteful number, since it uses less digits than its factorization.

145117468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2551 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 145117468 is about 12046.4711845420. The cubic root of 145117468 is about 525.5006175677.

The spelling of 145117468 in words is "one hundred forty-five million, one hundred seventeen thousand, four hundred sixty-eight".