Search a number
-
+
45001145 = 571285747
BaseRepresentation
bin1010101110101…
…0100110111001
310010200021222002
42223222212321
543010014040
64244310345
71054334450
oct253524671
9103607862
1045001145
1123447032
12130a23b5
139427cc7
145d95b97
153e3da15
hex2aea9b9

45001145 has 8 divisors (see below), whose sum is σ = 61715904. Its totient is φ = 30857904.

The previous prime is 45001123. The next prime is 45001147. The reversal of 45001145 is 54110054.

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

It is not a de Polignac number, because 45001145 - 28 = 45000889 is a prime.

It is a super-2 number, since 2×450011452 = 4050206102622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45001147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642839 + ... + 642908.

It is an arithmetic number, because the mean of its divisors is an integer number (7714488).

Almost surely, 245001145 is an apocalyptic number.

It is an amenable number.

45001145 is a deficient number, since it is larger than the sum of its proper divisors (16714759).

45001145 is a wasteful number, since it uses less digits than its factorization.

45001145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285759.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 45001145 is about 6708.2892752176. The cubic root of 45001145 is about 355.6923471959.

Adding to 45001145 its reverse (54110054), we get a palindrome (99111199).

The spelling of 45001145 in words is "forty-five million, one thousand, one hundred forty-five".

Divisors: 1 5 7 35 1285747 6428735 9000229 45001145