155233274 has 24 divisors (see below), whose sum is σ = 271361268. Its totient is φ = 66407040.

The previous prime is 155233261. The next prime is 155233283. The reversal of 155233274 is 472332551.

155233274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 133564249 + 21669025 = 11557^2 + 4655^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 155233274.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70754 + ... + 72914.

Almost surely, 2^155233274 is an apocalyptic number.

155233274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155233274 is a deficient number, since it is larger than the sum of its proper divisors (116127994).

155233274 is a wasteful number, since it uses less digits than its factorization.

155233274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910 (or 2903 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 155233274 is about 12459.2645850387. The cubic root of 155233274 is about 537.4378788131.

The spelling of 155233274 in words is "one hundred fifty-five million, two hundred thirty-three thousand, two hundred seventy-four".