145963321 has 8 divisors (see below), whose sum is σ = 170884224. Its totient is φ = 122059680.

The previous prime is 145963273. The next prime is 145963327. The reversal of 145963321 is 123369541.

145963321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145963321 - 2⁹ = 145962809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145963327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254005 + ... + 254578.

It is an arithmetic number, because the mean of its divisors is an integer number (21360528).

Almost surely, 2^145963321 is an apocalyptic number.

It is an amenable number.

145963321 is a deficient number, since it is larger than the sum of its proper divisors (24920903).

145963321 is an equidigital number, since it uses as much as digits as its factorization.

145963321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508631.

The product of its digits is 19440, while the sum is 34.

The square root of 145963321 is about 12081.5280904362. The cubic root of 145963321 is about 526.5196436182.

The spelling of 145963321 in words is "one hundred forty-five million, nine hundred sixty-three thousand, three hundred twenty-one".