155234312 has 16 divisors (see below), whose sum is σ = 293736300. Its totient is φ = 76904640.

The previous prime is 155234269. The next prime is 155234333. The reversal of 155234312 is 213432551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 153611236 + 1623076 = 12394^2 + 1274^2 .

It is a super-2 number, since 2×155234312² = 48195383244226688, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88139 + ... + 89882.

Almost surely, 2^155234312 is an apocalyptic number.

It is an amenable number.

155234312 is a deficient number, since it is larger than the sum of its proper divisors (138501988).

155234312 is a wasteful number, since it uses less digits than its factorization.

155234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178136 (or 178132 counting only the distinct ones).

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

The square root of 155234312 is about 12459.3062407182. The cubic root of 155234312 is about 537.4390767076.

Adding to 155234312 its reverse (213432551), we get a palindrome (368666863).

The spelling of 155234312 in words is "one hundred fifty-five million, two hundred thirty-four thousand, three hundred twelve".