103942545 has 16 divisors (see below), whose sum is σ = 190066560. Its totient is φ = 47516544.

The previous prime is 103942541. The next prime is 103942561. The reversal of 103942545 is 545249301.

It is not a de Polignac number, because 103942545 - 2² = 103942541 is a prime.

It is a super-2 number, since 2×103942545² = 21608105322154050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103942541) 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, 494860 + ... + 495069.

It is an arithmetic number, because the mean of its divisors is an integer number (11879160).

Almost surely, 2^103942545 is an apocalyptic number.

103942545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103942545 is a deficient number, since it is larger than the sum of its proper divisors (86124015).

103942545 is an equidigital number, since it uses as much as digits as its factorization.

103942545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989944.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 103942545 is about 10195.2216748828. The cubic root of 103942545 is about 470.1803216338.

The spelling of 103942545 in words is "one hundred three million, nine hundred forty-two thousand, five hundred forty-five".