155016103 has 4 divisors (see below), whose sum is σ = 169108488. Its totient is φ = 140923720.

The previous prime is 155016083. The next prime is 155016109. The reversal of 155016103 is 301610551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155016103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155016109) by changing a digit.

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, 7046176 + ... + 7046197.

It is an arithmetic number, because the mean of its divisors is an integer number (42277122).

Almost surely, 2^155016103 is an apocalyptic number.

155016103 is a deficient number, since it is larger than the sum of its proper divisors (14092385).

155016103 is a wasteful number, since it uses less digits than its factorization.

155016103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14092384.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 155016103 is about 12450.5462932355. The cubic root of 155016103 is about 537.1871370545.

Adding to 155016103 its reverse (301610551), we get a palindrome (456626654).

The spelling of 155016103 in words is "one hundred fifty-five million, sixteen thousand, one hundred three".