1005450042 has 8 divisors (see below), whose sum is σ = 2010900096. Its totient is φ = 335150012.

The previous prime is 1005449971. The next prime is 1005450067. The reversal of 1005450042 is 2400545001.

It is a sphenic number, since it is the product of 3 distinct primes.

1005450042 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83787498 + ... + 83787509.

It is an arithmetic number, because the mean of its divisors is an integer number (251362512).

Almost surely, 2^1005450042 is an apocalyptic number.

1005450042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005450042 is a wasteful number, since it uses less digits than its factorization.

1005450042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167575012.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1005450042 is about 31708.8322396142. The cubic root of 1005450042 is about 1001.8133902946.

Adding to 1005450042 its reverse (2400545001), we get a palindrome (3405995043).

The spelling of 1005450042 in words is "one billion, five million, four hundred fifty thousand, forty-two".