145161329 has 8 divisors (see below), whose sum is σ = 150111360. Its totient is φ = 140293296.

The previous prime is 145161319. The next prime is 145161343. The reversal of 145161329 is 923161541.

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 145161329 - 2¹⁶ = 145095793 is a prime.

It is a super-2 number, since 2×145161329² = 42143622874092482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145161295 and 145161304.

It is not an unprimeable number, because it can be changed into a prime (145161319) 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, 16889 + ... + 23990.

It is an arithmetic number, because the mean of its divisors is an integer number (18763920).

Almost surely, 2^145161329 is an apocalyptic number.

It is an amenable number.

145161329 is a deficient number, since it is larger than the sum of its proper divisors (4950031).

145161329 is an equidigital number, since it uses as much as digits as its factorization.

145161329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40999.

The product of its digits is 6480, while the sum is 32.

The square root of 145161329 is about 12048.2915386373. The cubic root of 145161329 is about 525.5535555109.

The spelling of 145161329 in words is "one hundred forty-five million, one hundred sixty-one thousand, three hundred twenty-nine".