145933943 has 2 divisors, whose sum is σ = 145933944. Its totient is φ = 145933942.

The previous prime is 145933939. The next prime is 145933969. The reversal of 145933943 is 349339541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145933943 - 2² = 145933939 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145933943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145933903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72966971 + 72966972.

It is an arithmetic number, because the mean of its divisors is an integer number (72966972).

Almost surely, 2^145933943 is an apocalyptic number.

145933943 is a deficient number, since it is larger than the sum of its proper divisors (1).

145933943 is an equidigital number, since it uses as much as digits as its factorization.

145933943 is an odious number, because the sum of its binary digits is odd.

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

The square root of 145933943 is about 12080.3122062304. The cubic root of 145933943 is about 526.4843170904.

The spelling of 145933943 in words is "one hundred forty-five million, nine hundred thirty-three thousand, nine hundred forty-three".