103644045 has 24 divisors (see below), whose sum is σ = 179891712. Its totient is φ = 55202400.

The previous prime is 103644029. The next prime is 103644077. The reversal of 103644045 is 540446301.

103644045 is a `hidden beast` number, since 10 + 3 + 644 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 103644045 - 2⁴ = 103644029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54460 + ... + 56330.

It is an arithmetic number, because the mean of its divisors is an integer number (7495488).

Almost surely, 2^103644045 is an apocalyptic number.

103644045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103644045 is a deficient number, since it is larger than the sum of its proper divisors (76247667).

103644045 is a wasteful number, since it uses less digits than its factorization.

103644045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3110 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 103644045 is about 10180.5719387469. The cubic root of 103644045 is about 469.7298054664.

The spelling of 103644045 in words is "one hundred three million, six hundred forty-four thousand, forty-five".