155033434 has 8 divisors (see below), whose sum is σ = 232743060. Its totient is φ = 77452416.

The previous prime is 155033419. The next prime is 155033453. The reversal of 155033434 is 434330551.

It can be written as a sum of positive squares in 2 ways, for example, as 154927809 + 105625 = 12447^2 + 325^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29079 + ... + 33994.

Almost surely, 2^155033434 is an apocalyptic number.

155033434 is a deficient number, since it is larger than the sum of its proper divisors (77709626).

155033434 is a wasteful number, since it uses less digits than its factorization.

155033434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64304.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 155033434 is about 12451.2422673402. The cubic root of 155033434 is about 537.2071557131.

Adding to 155033434 its reverse (434330551), we get a palindrome (589363985).

The spelling of 155033434 in words is "one hundred fifty-five million, thirty-three thousand, four hundred thirty-four".