145672329 has 8 divisors (see below), whose sum is σ = 211887072. Its totient is φ = 88286240.

The previous prime is 145672327. The next prime is 145672343. The reversal of 145672329 is 923276541.

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 145672329 - 2¹ = 145672327 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145672327) 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, 2207124 + ... + 2207189.

It is an arithmetic number, because the mean of its divisors is an integer number (26485884).

Almost surely, 2^145672329 is an apocalyptic number.

It is an amenable number.

145672329 is a deficient number, since it is larger than the sum of its proper divisors (66214743).

145672329 is a wasteful number, since it uses less digits than its factorization.

145672329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414327.

The product of its digits is 90720, while the sum is 39.

The square root of 145672329 is about 12069.4792348303. The cubic root of 145672329 is about 526.1695215671.

The spelling of 145672329 in words is "one hundred forty-five million, six hundred seventy-two thousand, three hundred twenty-nine".