145213329 has 8 divisors (see below), whose sum is σ = 202036032. Its totient is φ = 92599760.

The previous prime is 145213319. The next prime is 145213361. The reversal of 145213329 is 923312541.

145213329 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 145213329 - 2²⁰ = 144164753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145213296 and 145213305.

It is not an unprimeable number, because it can be changed into a prime (145213309) 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, 1052202 + ... + 1052339.

It is an arithmetic number, because the mean of its divisors is an integer number (25254504).

Almost surely, 2^145213329 is an apocalyptic number.

It is an amenable number.

145213329 is a deficient number, since it is larger than the sum of its proper divisors (56822703).

145213329 is a wasteful number, since it uses less digits than its factorization.

145213329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104567.

The product of its digits is 6480, while the sum is 30.

The square root of 145213329 is about 12050.4493277222. The cubic root of 145213329 is about 525.6163029897.

The spelling of 145213329 in words is "one hundred forty-five million, two hundred thirteen thousand, three hundred twenty-nine".