103406745 has 32 divisors (see below), whose sum is σ = 179424000. Its totient is φ = 50552064.

The previous prime is 103406741. The next prime is 103406783. The reversal of 103406745 is 547604301.

It is not a de Polignac number, because 103406745 - 2² = 103406741 is a prime.

It is a super-2 number, since 2×103406745² = 21385909822990050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103406741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27276 + ... + 30834.

It is an arithmetic number, because the mean of its divisors is an integer number (5607000).

Almost surely, 2^103406745 is an apocalyptic number.

103406745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103406745 is a deficient number, since it is larger than the sum of its proper divisors (76017255).

103406745 is a wasteful number, since it uses less digits than its factorization.

103406745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 103406745 is about 10168.9107086256. The cubic root of 103406745 is about 469.3710388773.

The spelling of 103406745 in words is "one hundred three million, four hundred six thousand, seven hundred forty-five".