103155858 has 48 divisors (see below), whose sum is σ = 241428096. Its totient is φ = 31644000.

The previous prime is 103155827. The next prime is 103155859. The reversal of 103155858 is 858551301.

It is a super-2 number, since 2×103155858² = 21282262079432328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103155859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136983 + ... + 137733.

It is an arithmetic number, because the mean of its divisors is an integer number (5029752).

Almost surely, 2^103155858 is an apocalyptic number.

103155858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

103155858 is an abundant number, since it is smaller than the sum of its proper divisors (138272238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103155858 is a wasteful number, since it uses less digits than its factorization.

103155858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 103155858 is about 10156.5672350455. The cubic root of 103155858 is about 468.9911331090.

It can be divided in two parts, 103 and 155858, that added together give a triangular number (155961 = T₅₅₈).

The spelling of 103155858 in words is "one hundred three million, one hundred fifty-five thousand, eight hundred fifty-eight".