145906329 has 4 divisors (see below), whose sum is σ = 194541776. Its totient is φ = 97270884.

The previous prime is 145906307. The next prime is 145906361. The reversal of 145906329 is 923609541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145906329 - 2⁹ = 145905817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145906379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24317719 + ... + 24317724.

It is an arithmetic number, because the mean of its divisors is an integer number (48635444).

Almost surely, 2^145906329 is an apocalyptic number.

It is an amenable number.

145906329 is a deficient number, since it is larger than the sum of its proper divisors (48635447).

145906329 is an equidigital number, since it uses as much as digits as its factorization.

145906329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48635446.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 145906329 is about 12079.1692181209. The cubic root of 145906329 is about 526.4511074187.

The spelling of 145906329 in words is "one hundred forty-five million, nine hundred six thousand, three hundred twenty-nine".