Search a number
-
+
145544756 = 2275198027
BaseRepresentation
bin10001010110011…
…01011000110100
3101010212102212112
420223031120310
5244224413011
622235310152
73415052510
oct1053153064
9333772775
10145544756
1175179a25
12408ab358
13241cc076
1415489140
15cb9e58b
hex8acd634

145544756 has 12 divisors (see below), whose sum is σ = 291089568. Its totient is φ = 62376312.

The previous prime is 145544683. The next prime is 145544767. The reversal of 145544756 is 657445541.

145544756 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598986 + ... + 2599041.

It is an arithmetic number, because the mean of its divisors is an integer number (24257464).

Almost surely, 2145544756 is an apocalyptic number.

It is an amenable number.

145544756 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.

145544756 is a wasteful number, since it uses less digits than its factorization.

145544756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198038 (or 5198036 counting only the distinct ones).

The product of its digits is 336000, while the sum is 41.

The square root of 145544756 is about 12064.1931350588. The cubic root of 145544756 is about 526.0158785031.

The spelling of 145544756 in words is "one hundred forty-five million, five hundred forty-four thousand, seven hundred fifty-six".

Divisors: 1 2 4 7 14 28 5198027 10396054 20792108 36386189 72772378 145544756