155122034 has 4 divisors (see below), whose sum is σ = 232683054. Its totient is φ = 77561016.

The previous prime is 155122021. The next prime is 155122063. The reversal of 155122034 is 430221551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430221551 = 3847 ⋅111833.

It can be written as a sum of positive squares in only one way, i.e., 118483225 + 36638809 = 10885^2 + 6053^2 .

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 as a sum of consecutive naturals, namely, 38780507 + ... + 38780510.

Almost surely, 2^155122034 is an apocalyptic number.

155122034 is a deficient number, since it is larger than the sum of its proper divisors (77561020).

155122034 is an equidigital number, since it uses as much as digits as its factorization.

155122034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77561019.

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

The square root of 155122034 is about 12454.7996370877. The cubic root of 155122034 is about 537.3094723310.

Adding to 155122034 its reverse (430221551), we get a palindrome (585343585).

The spelling of 155122034 in words is "one hundred fifty-five million, one hundred twenty-two thousand, thirty-four".