145833723 has 16 divisors (see below), whose sum is σ = 246914560. Its totient is φ = 83333448.

The previous prime is 145833713. The next prime is 145833773. The reversal of 145833723 is 327338541.

145833723 is a `hidden beast` number, since 1 + 4 + 583 + 3 + 72 + 3 = 666.

It is not a de Polignac number, because 145833723 - 2⁴ = 145833707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145833713) 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 15 ways as a sum of consecutive naturals, for example, 385615 + ... + 385992.

It is an arithmetic number, because the mean of its divisors is an integer number (15432160).

Almost surely, 2^145833723 is an apocalyptic number.

145833723 is a deficient number, since it is larger than the sum of its proper divisors (101080837).

145833723 is an equidigital number, since it uses as much as digits as its factorization.

145833723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771623 (or 771617 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 145833723 is about 12076.1634222132. The cubic root of 145833723 is about 526.3637686185.

The spelling of 145833723 in words is "one hundred forty-five million, eight hundred thirty-three thousand, seven hundred twenty-three".