1005432145 has 16 divisors (see below), whose sum is σ = 1246533120. Its totient is φ = 777715200.

The previous prime is 1005432107. The next prime is 1005432161. The reversal of 1005432145 is 5412345001.

It is a happy number.

It is not a de Polignac number, because 1005432145 - 2²⁷ = 871214417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241441 + ... + 245569.

It is an arithmetic number, because the mean of its divisors is an integer number (77908320).

Almost surely, 2^1005432145 is an apocalyptic number.

It is an amenable number.

1005432145 is a deficient number, since it is larger than the sum of its proper divisors (241100975).

1005432145 is a wasteful number, since it uses less digits than its factorization.

1005432145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1005432145 is about 31708.5500299210. The cubic root of 1005432145 is about 1001.8074461701.

Adding to 1005432145 its reverse (5412345001), we get a palindrome (6417777146).

The spelling of 1005432145 in words is "one billion, five million, four hundred thirty-two thousand, one hundred forty-five".