145201233 has 8 divisors (see below), whose sum is σ = 204990048. Its totient is φ = 91106624.

The previous prime is 145201229. The next prime is 145201313. The reversal of 145201233 is 332102541.

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 145201233 - 2² = 145201229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145201633) 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, 1423491 + ... + 1423592.

It is an arithmetic number, because the mean of its divisors is an integer number (25623756).

Almost surely, 2^145201233 is an apocalyptic number.

It is an amenable number.

145201233 is a deficient number, since it is larger than the sum of its proper divisors (59788815).

145201233 is a wasteful number, since it uses less digits than its factorization.

145201233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847103.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 145201233 is about 12049.9474272712. The cubic root of 145201233 is about 525.6017082980.

Adding to 145201233 its reverse (332102541), we get a palindrome (477303774).

It can be divided in two parts, 14520 and 1233, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 145201233 in words is "one hundred forty-five million, two hundred one thousand, two hundred thirty-three".