232145153 has 8 divisors (see below), whose sum is σ = 234850728. Its totient is φ = 229446144.

The previous prime is 232145093. The next prime is 232145161. The reversal of 232145153 is 351541232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1317904 + 230827249 = 1148^2 + 15193^2 .

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-232145153 is a prime.

It is a super-2 number, since 2×232145153² = 107782744122786818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232141153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116675 + ... + 118647.

It is an arithmetic number, because the mean of its divisors is an integer number (29356341).

Almost surely, 2^232145153 is an apocalyptic number.

It is an amenable number.

232145153 is a deficient number, since it is larger than the sum of its proper divisors (2705575).

232145153 is a wasteful number, since it uses less digits than its factorization.

232145153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283.

The product of its digits is 3600, while the sum is 26.

The square root of 232145153 is about 15236.3103473249. The cubic root of 232145153 is about 614.5914866978.

Adding to 232145153 its reverse (351541232), we get a palindrome (583686385).

It can be divided in two parts, 2321 and 45153, that added together give a palindrome (47474).

The spelling of 232145153 in words is "two hundred thirty-two million, one hundred forty-five thousand, one hundred fifty-three".