145316745 has 24 divisors (see below), whose sum is σ = 287866176. Its totient is φ = 66430368.

The previous prime is 145316719. The next prime is 145316753. The reversal of 145316745 is 547613541.

145316745 is a `hidden beast` number, since 1 + 453 + 167 + 45 = 666.

It is not a de Polignac number, because 145316745 - 2⁶ = 145316681 is a prime.

It is a super-2 number, since 2×145316745² = 42233912754790050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 230347 + ... + 230976.

It is an arithmetic number, because the mean of its divisors is an integer number (11994424).

Almost surely, 2^145316745 is an apocalyptic number.

145316745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145316745 is a deficient number, since it is larger than the sum of its proper divisors (142549431).

145316745 is a wasteful number, since it uses less digits than its factorization.

145316745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461341 (or 461338 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 145316745 is about 12054.7395243531. The cubic root of 145316745 is about 525.7410487398.

The spelling of 145316745 in words is "one hundred forty-five million, three hundred sixteen thousand, seven hundred forty-five".