1005456156 has 48 divisors (see below), whose sum is σ = 2389330944. Its totient is φ = 329014656.

The previous prime is 1005456149. The next prime is 1005456157. The reversal of 1005456156 is 6516545001.

It is a super-3 number, since 3×1005456156³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005456157) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 192775 + ... + 197921.

It is an arithmetic number, because the mean of its divisors is an integer number (49777728).

Almost surely, 2^1005456156 is an apocalyptic number.

It is an amenable number.

1005456156 is an abundant number, since it is smaller than the sum of its proper divisors (1383874788).

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

1005456156 is a wasteful number, since it uses less digits than its factorization.

1005456156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450 (or 5448 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1005456156 is about 31708.9286479376. The cubic root of 1005456156 is about 1001.8154209192.

The spelling of 1005456156 in words is "one billion, five million, four hundred fifty-six thousand, one hundred fifty-six".