145235201 has 4 divisors (see below), whose sum is σ = 145278912. Its totient is φ = 145191492.

The previous prime is 145235177. The next prime is 145235227. The reversal of 145235201 is 102532541.

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 a cyclic number.

It is not a de Polignac number, because 145235201 - 2⁶ = 145235137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145235231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16421 + ... + 23666.

It is an arithmetic number, because the mean of its divisors is an integer number (36319728).

Almost surely, 2^145235201 is an apocalyptic number.

It is an amenable number.

145235201 is a deficient number, since it is larger than the sum of its proper divisors (43711).

145235201 is an equidigital number, since it uses as much as digits as its factorization.

145235201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43710.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145235201 is about 12051.3568115794. The cubic root of 145235201 is about 525.6426910693.

Adding to 145235201 its reverse (102532541), we get a palindrome (247767742).

The spelling of 145235201 in words is "one hundred forty-five million, two hundred thirty-five thousand, two hundred one".