155103013 has 16 divisors (see below), whose sum is σ = 174537216. Its totient is φ = 136854720.

The previous prime is 155102993. The next prime is 155103017. The reversal of 155103013 is 310301551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155103013 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 (155103017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31131 + ... + 35767.

It is an arithmetic number, because the mean of its divisors is an integer number (10908576).

Almost surely, 2^155103013 is an apocalyptic number.

155103013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155103013 is a deficient number, since it is larger than the sum of its proper divisors (19434203).

155103013 is a wasteful number, since it uses less digits than its factorization.

155103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 155103013 is about 12454.0360124740. The cubic root of 155103013 is about 537.2875098778.

Adding to 155103013 its reverse (310301551), we get a palindrome (465404564).

The spelling of 155103013 in words is "one hundred fifty-five million, one hundred three thousand, thirteen".