151212232 has 8 divisors (see below), whose sum is σ = 283522950. Its totient is φ = 75606112.

The previous prime is 151212227. The next prime is 151212253. The reversal of 151212232 is 232212151.

It can be written as a sum of positive squares in only one way, i.e., 138438756 + 12773476 = 11766^2 + 3574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9450757 + ... + 9450772.

Almost surely, 2^151212232 is an apocalyptic number.

It is an amenable number.

151212232 is a deficient number, since it is larger than the sum of its proper divisors (132310718).

151212232 is a wasteful number, since it uses less digits than its factorization.

151212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18901535 (or 18901531 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 151212232 is about 12296.8382928296. The cubic root of 151212232 is about 532.7567668510.

Adding to 151212232 its reverse (232212151), we get a palindrome (383424383).

The spelling of 151212232 in words is "one hundred fifty-one million, two hundred twelve thousand, two hundred thirty-two".