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145035144 = 2333757887
BaseRepresentation
bin10001010010100…
…00111110001000
3101002220112211000
420221100332020
5244112111034
622220335000
73410530662
oct1051207610
9332815730
10145035144
1174961061
12406a4460
1324081117
1415395532
15caed599
hex8a50f88

145035144 has 64 divisors (see below), whose sum is σ = 403862400. Its totient is φ = 48226752.

The previous prime is 145035139. The next prime is 145035181. The reversal of 145035144 is 441530541.

It is a happy number.

145035144 is a `hidden beast` number, since 14 + 503 + 5 + 144 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 163069 + ... + 163955.

It is an arithmetic number, because the mean of its divisors is an integer number (6310350).

Almost surely, 2145035144 is an apocalyptic number.

It is an amenable number.

145035144 is an abundant number, since it is smaller than the sum of its proper divisors (258827256).

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

145035144 is a wasteful number, since it uses less digits than its factorization.

145035144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145035144 is about 12043.0537655530. The cubic root of 145035144 is about 525.4012279798.

Adding to 145035144 its reverse (441530541), we get a palindrome (586565685).

The spelling of 145035144 in words is "one hundred forty-five million, thirty-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 757 887 1514 1774 2271 2661 3028 3548 4542 5322 6056 6813 7096 7983 9084 10644 13626 15966 18168 20439 21288 23949 27252 31932 40878 47898 54504 63864 81756 95796 163512 191592 671459 1342918 2014377 2685836 4028754 5371672 6043131 8057508 12086262 16115016 18129393 24172524 36258786 48345048 72517572 145035144