155122232 has 16 divisors (see below), whose sum is σ = 306162600. Its totient is φ = 73478880.

The previous prime is 155122217. The next prime is 155122243. The reversal of 155122232 is 232221551.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 155122198 and 155122207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510119 + ... + 510422.

Almost surely, 2^155122232 is an apocalyptic number.

It is an amenable number.

155122232 is a deficient number, since it is larger than the sum of its proper divisors (151040368).

155122232 is a wasteful number, since it uses less digits than its factorization.

155122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020566 (or 1020562 counting only the distinct ones).

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

The square root of 155122232 is about 12454.8075858281. The cubic root of 155122232 is about 537.3097009408.

Adding to 155122232 its reverse (232221551), we get a palindrome (387343783).

The spelling of 155122232 in words is "one hundred fifty-five million, one hundred twenty-two thousand, two hundred thirty-two".