145532923 has 8 divisors (see below), whose sum is σ = 147210336. Its totient is φ = 143860800.

The previous prime is 145532917. The next prime is 145532927. The reversal of 145532923 is 329235541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145532923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145532927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83703 + ... + 85423.

It is an arithmetic number, because the mean of its divisors is an integer number (18401292).

Almost surely, 2^145532923 is an apocalyptic number.

145532923 is a deficient number, since it is larger than the sum of its proper divisors (1677413).

145532923 is a wasteful number, since it uses less digits than its factorization.

145532923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645.

The product of its digits is 32400, while the sum is 34.

The square root of 145532923 is about 12063.7027068807. The cubic root of 145532923 is about 526.0016228318.

The spelling of 145532923 in words is "one hundred forty-five million, five hundred thirty-two thousand, nine hundred twenty-three".