155002234 has 8 divisors (see below), whose sum is σ = 232658100. Its totient is φ = 77449536.

The previous prime is 155002231. The next prime is 155002241. The reversal of 155002234 is 432200551.

It can be written as a sum of positive squares in 2 ways, for example, as 133333209 + 21669025 = 11547^2 + 4655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155002231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21919 + ... + 28114.

Almost surely, 2^155002234 is an apocalyptic number.

155002234 is a deficient number, since it is larger than the sum of its proper divisors (77655866).

155002234 is a wasteful number, since it uses less digits than its factorization.

155002234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51584.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 155002234 is about 12449.9893172645. The cubic root of 155002234 is about 537.1711162015.

Adding to 155002234 its reverse (432200551), we get a palindrome (587202785).

It can be divided in two parts, 155002 and 234, that added together give a square (155236 = 394²).

The spelling of 155002234 in words is "one hundred fifty-five million, two thousand, two hundred thirty-four".