1005415442 has 16 divisors (see below), whose sum is σ = 1574717760. Its totient is φ = 480833808.

The previous prime is 1005415423. The next prime is 1005415469. The reversal of 1005415442 is 2445145001.

It is a super-3 number, since 3×1005415442³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74798 + ... + 87209.

It is an arithmetic number, because the mean of its divisors is an integer number (98419860).

Almost surely, 2^1005415442 is an apocalyptic number.

1005415442 is a deficient number, since it is larger than the sum of its proper divisors (569302318).

1005415442 is a wasteful number, since it uses less digits than its factorization.

1005415442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162145.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1005415442 is about 31708.2866456073. The cubic root of 1005415442 is about 1001.8018985448.

The spelling of 1005415442 in words is "one billion, five million, four hundred fifteen thousand, four hundred forty-two".