103454990 has 32 divisors (see below), whose sum is σ = 194641920. Its totient is φ = 39551904.

The previous prime is 103454971. The next prime is 103454999. The reversal of 103454990 is 99454301.

It is a self number, because there is not a number n which added to its sum of digits gives 103454990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103454999) 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, 17651 + ... + 22769.

It is an arithmetic number, because the mean of its divisors is an integer number (6082560).

Almost surely, 2^103454990 is an apocalyptic number.

103454990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103454990 is a deficient number, since it is larger than the sum of its proper divisors (91186930).

103454990 is a wasteful number, since it uses less digits than its factorization.

103454990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 103454990 is about 10171.2826133187. The cubic root of 103454990 is about 469.4440234297. Note that the first 3 decimals are identical.

The spelling of 103454990 in words is "one hundred three million, four hundred fifty-four thousand, nine hundred ninety".