Search a number
-
+
145698884 = 22317871493
BaseRepresentation
bin10001010111100…
…11000001000100
3101011011021021222
420223303001010
5244244331014
622242455512
73416264042
oct1053630104
9334137258
10145698884
1175274801
1240964598
1324254276
14154c9392
15cbd008e
hex8af3044

145698884 has 24 divisors (see below), whose sum is σ = 263708928. Its totient is φ = 70362720.

The previous prime is 145698881. The next prime is 145698893. The reversal of 145698884 is 488896541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145698881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96842 + ... + 98334.

It is an arithmetic number, because the mean of its divisors is an integer number (10987872).

Almost surely, 2145698884 is an apocalyptic number.

It is an amenable number.

145698884 is a deficient number, since it is larger than the sum of its proper divisors (118010044).

145698884 is a wasteful number, since it uses less digits than its factorization.

145698884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315 (or 2313 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 145698884 is about 12070.5792735892. The cubic root of 145698884 is about 526.2014919094.

The spelling of 145698884 in words is "one hundred forty-five million, six hundred ninety-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 31 62 124 787 1493 1574 2986 3148 5972 24397 46283 48794 92566 97588 185132 1174991 2349982 4699964 36424721 72849442 145698884