145813683 has 4 divisors (see below), whose sum is σ = 194418248. Its totient is φ = 97209120.

The previous prime is 145813667. The next prime is 145813699. The reversal of 145813683 is 386318541.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (145813667) and next prime (145813699).

It is not a de Polignac number, because 145813683 - 2⁴ = 145813667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145813483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24302278 + ... + 24302283.

It is an arithmetic number, because the mean of its divisors is an integer number (48604562).

Almost surely, 2^145813683 is an apocalyptic number.

145813683 is a deficient number, since it is larger than the sum of its proper divisors (48604565).

145813683 is an equidigital number, since it uses as much as digits as its factorization.

145813683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48604564.

The product of its digits is 69120, while the sum is 39.

The square root of 145813683 is about 12075.3336599864. Note that the first 3 decimals coincide. The cubic root of 145813683 is about 526.3396571101.

The spelling of 145813683 in words is "one hundred forty-five million, eight hundred thirteen thousand, six hundred eighty-three".