145573323 has 16 divisors (see below), whose sum is σ = 223449600. Its totient is φ = 82575936.

The previous prime is 145573319. The next prime is 145573327. The reversal of 145573323 is 323375541.

145573323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145573319) and next prime (145573327).

It is not a de Polignac number, because 145573323 - 2² = 145573319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145573327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22423 + ... + 28176.

It is an arithmetic number, because the mean of its divisors is an integer number (13965600).

Almost surely, 2^145573323 is an apocalyptic number.

145573323 is a deficient number, since it is larger than the sum of its proper divisors (77876277).

145573323 is a wasteful number, since it uses less digits than its factorization.

145573323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50746.

The product of its digits is 37800, while the sum is 33.

The square root of 145573323 is about 12065.3770351365. The cubic root of 145573323 is about 526.0502910851.

The spelling of 145573323 in words is "one hundred forty-five million, five hundred seventy-three thousand, three hundred twenty-three".