133230452 has 6 divisors (see below), whose sum is σ = 233153298. Its totient is φ = 66615224.

The previous prime is 133230407. The next prime is 133230463. The reversal of 133230452 is 254032331.

It can be written as a sum of positive squares in only one way, i.e., 123520996 + 9709456 = 11114^2 + 3116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16653803 + ... + 16653810.

It is an arithmetic number, because the mean of its divisors is an integer number (38858883).

Almost surely, 2^133230452 is an apocalyptic number.

It is an amenable number.

133230452 is a deficient number, since it is larger than the sum of its proper divisors (99922846).

133230452 is a wasteful number, since it uses less digits than its factorization.

133230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33307617 (or 33307615 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 133230452 is about 11542.5496316888. The cubic root of 133230452 is about 510.7415228916.

Adding to 133230452 its reverse (254032331), we get a palindrome (387262783).

The spelling of 133230452 in words is "one hundred thirty-three million, two hundred thirty thousand, four hundred fifty-two".