103399545 has 16 divisors (see below), whose sum is σ = 167535360. Its totient is φ = 54447744.

The previous prime is 103399531. The next prime is 103399567. The reversal of 103399545 is 545993301.

It is not a de Polignac number, because 103399545 - 2⁹ = 103399033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42444 + ... + 44813.

It is an arithmetic number, because the mean of its divisors is an integer number (10470960).

Almost surely, 2^103399545 is an apocalyptic number.

103399545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103399545 is a deficient number, since it is larger than the sum of its proper divisors (64135815).

103399545 is an equidigital number, since it uses as much as digits as its factorization.

103399545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87344.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 103399545 is about 10168.5566822436. The cubic root of 103399545 is about 469.3601448428.

The spelling of 103399545 in words is "one hundred three million, three hundred ninety-nine thousand, five hundred forty-five".