32023145 has 16 divisors (see below), whose sum is σ = 47910528. Its totient is φ = 19962240.

The previous prime is 32023099. The next prime is 32023157. The reversal of 32023145 is 54132023.

It is a happy number.

It is not a de Polignac number, because 32023145 - 2¹⁰ = 32022121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41204 + ... + 41973.

It is an arithmetic number, because the mean of its divisors is an integer number (2994408).

Almost surely, 2^32023145 is an apocalyptic number.

32023145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32023145 is a deficient number, since it is larger than the sum of its proper divisors (15887383).

32023145 is a wasteful number, since it uses less digits than its factorization.

32023145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83200.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 32023145 is about 5658.8996280196. The cubic root of 32023145 is about 317.5567344416.

Adding to 32023145 its reverse (54132023), we get a palindrome (86155168).

The spelling of 32023145 in words is "thirty-two million, twenty-three thousand, one hundred forty-five".