145866343 has 4 divisors (see below), whose sum is σ = 166704400. Its totient is φ = 125028288.

The previous prime is 145866319. The next prime is 145866353. The reversal of 145866343 is 343668541.

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

It is a de Polignac number, because none of the positive numbers 2^k-145866343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145866296 and 145866305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145866313) 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, 10419018 + ... + 10419031.

It is an arithmetic number, because the mean of its divisors is an integer number (41676100).

Almost surely, 2^145866343 is an apocalyptic number.

145866343 is a deficient number, since it is larger than the sum of its proper divisors (20838057).

145866343 is an equidigital number, since it uses as much as digits as its factorization.

145866343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838056.

The product of its digits is 207360, while the sum is 40.

The square root of 145866343 is about 12077.5139412050. The cubic root of 145866343 is about 526.4030112705.

The spelling of 145866343 in words is "one hundred forty-five million, eight hundred sixty-six thousand, three hundred forty-three".