145683307 has 8 divisors (see below), whose sum is σ = 181631232. Its totient is φ = 113519400.

The previous prime is 145683301. The next prime is 145683337. The reversal of 145683307 is 703386541.

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

It is a cyclic number.

It is not a de Polignac number, because 145683307 - 2⁷ = 145683179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145683301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945919 + ... + 946072.

It is an arithmetic number, because the mean of its divisors is an integer number (22703904).

Almost surely, 2^145683307 is an apocalyptic number.

145683307 is a deficient number, since it is larger than the sum of its proper divisors (35947925).

145683307 is a wasteful number, since it uses less digits than its factorization.

145683307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892009.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 145683307 is about 12069.9340097616. The cubic root of 145683307 is about 526.1827387739.

The spelling of 145683307 in words is "one hundred forty-five million, six hundred eighty-three thousand, three hundred seven".