Search a number
-
+
1445414145 = 35753259733
BaseRepresentation
bin101011000100111…
…0100010100000001
310201201210122110020
41112021310110001
510430011223040
6355232124053
750550550260
oct12611642401
93651718406
101445414145
1168199804a
12344096629
131a05bc756
14d9d745d7
1586d65cd0
hex56274501

1445414145 has 32 divisors (see below), whose sum is σ = 2692922112. Its totient is φ = 648291072.

The previous prime is 1445414119. The next prime is 1445414149. The reversal of 1445414145 is 5414145441.

It is a happy number.

It is not a de Polignac number, because 1445414145 - 27 = 1445414017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445414149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124302 + ... + 135431.

It is an arithmetic number, because the mean of its divisors is an integer number (84153816).

Almost surely, 21445414145 is an apocalyptic number.

1445414145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445414145 is a deficient number, since it is larger than the sum of its proper divisors (1247507967).

1445414145 is a wasteful number, since it uses less digits than its factorization.

1445414145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259801.

The product of its digits is 25600, while the sum is 33.

The square root of 1445414145 is about 38018.6026176660. The cubic root of 1445414145 is about 1130.6567161852.

Adding to 1445414145 its reverse (5414145441), we get a palindrome (6859559586).

The spelling of 1445414145 in words is "one billion, four hundred forty-five million, four hundred fourteen thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 53 105 159 265 371 795 1113 1855 5565 259733 779199 1298665 1818131 3895995 5454393 9090655 13765849 27271965 41297547 68829245 96360943 206487735 289082829 481804715 1445414145