1005445107 has 6 divisors (see below), whose sum is σ = 1452309612. Its totient is φ = 670296732.

The previous prime is 1005445099. The next prime is 1005445121. The reversal of 1005445107 is 7015445001.

It is a happy number.

1005445107 is a `hidden beast` number, since 10 + 0 + 544 + 5 + 107 = 666.

It is not a de Polignac number, because 1005445107 - 2³ = 1005445099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005445187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55858053 + ... + 55858070.

It is an arithmetic number, because the mean of its divisors is an integer number (242051602).

Almost surely, 2^1005445107 is an apocalyptic number.

1005445107 is a deficient number, since it is larger than the sum of its proper divisors (446864505).

1005445107 is a wasteful number, since it uses less digits than its factorization.

1005445107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111716129 (or 111716126 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 1005445107 is about 31708.7544220835. The cubic root of 1005445107 is about 1001.8117512418.

The spelling of 1005445107 in words is "one billion, five million, four hundred forty-five thousand, one hundred seven".