103407945 has 16 divisors (see below), whose sum is σ = 169489152. Its totient is φ = 53805440.

The previous prime is 103407911. The next prime is 103407961. The reversal of 103407945 is 549704301.

It is not a de Polignac number, because 103407945 - 2⁹ = 103407433 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, 83457 + ... + 84686.

It is an arithmetic number, because the mean of its divisors is an integer number (10593072).

Almost surely, 2^103407945 is an apocalyptic number.

103407945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103407945 is a deficient number, since it is larger than the sum of its proper divisors (66081207).

103407945 is a wasteful number, since it uses less digits than its factorization.

103407945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168192.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 103407945 is about 10168.9697118243. The cubic root of 103407945 is about 469.3728545005.

The spelling of 103407945 in words is "one hundred three million, four hundred seven thousand, nine hundred forty-five".