Search a number
-
+
1142045466 = 23190340911
BaseRepresentation
bin100010000010010…
…0011101100011010
32221120221220212020
41010010203230122
54314330423331
6305153555310
740205140422
oct10404435432
92846856766
101142045466
11536722731
1227a575b36
131527b2563
14ab965482
156a3ddc96
hex44123b1a

1142045466 has 8 divisors (see below), whose sum is σ = 2284090944. Its totient is φ = 380681820.

The previous prime is 1142045459. The next prime is 1142045467. The reversal of 1142045466 is 6645402411.

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

1142045466 is an admirable number.

It is a super-2 number, since 2×11420454662 = 2608535692822314312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1142045467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95170450 + ... + 95170461.

It is an arithmetic number, because the mean of its divisors is an integer number (285511368).

Almost surely, 21142045466 is an apocalyptic number.

1142045466 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.

1142045466 is a wasteful number, since it uses less digits than its factorization.

1142045466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190340916.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1142045466 is about 33794.1631942559. The cubic root of 1142045466 is about 1045.2683440501.

Adding to 1142045466 its reverse (6645402411), we get a palindrome (7787447877).

The spelling of 1142045466 in words is "one billion, one hundred forty-two million, forty-five thousand, four hundred sixty-six".

Divisors: 1 2 3 6 190340911 380681822 571022733 1142045466