145943339 has 4 divisors (see below), whose sum is σ = 146147040. Its totient is φ = 145739640.

The previous prime is 145943327. The next prime is 145943363. The reversal of 145943339 is 933349541.

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

It is a cyclic number.

It is not a de Polignac number, because 145943339 - 2⁴ = 145943323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145943296 and 145943305.

It is not an unprimeable number, because it can be changed into a prime (145943309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100772 + ... + 102209.

It is an arithmetic number, because the mean of its divisors is an integer number (36536760).

Almost surely, 2^145943339 is an apocalyptic number.

145943339 is a deficient number, since it is larger than the sum of its proper divisors (203701).

145943339 is an equidigital number, since it uses as much as digits as its factorization.

145943339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203700.

The product of its digits is 174960, while the sum is 41.

The square root of 145943339 is about 12080.7010972046. The cubic root of 145943339 is about 526.4956161306.

The spelling of 145943339 in words is "one hundred forty-five million, nine hundred forty-three thousand, three hundred thirty-nine".