Search a number
-
+
145477000 = 2353145477
BaseRepresentation
bin10001010101111…
…00110110001000
3101010201222221001
420222330312020
5244220231000
622234024344
73414351124
oct1052746610
9333658831
10145477000
1175133029
12408780b4
13241a7286
141546c584
15cb8946a
hex8abcd88

145477000 has 32 divisors (see below), whose sum is σ = 340418520. Its totient is φ = 58190400.

The previous prime is 145476967. The next prime is 145477019. The reversal of 145477000 is 774541.

145477000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21511044 + 123965956 = 4638^2 + 11134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145477000.

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 7 ways as a sum of consecutive naturals, for example, 71739 + ... + 73738.

Almost surely, 2145477000 is an apocalyptic number.

145477000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145477000 is an abundant number, since it is smaller than the sum of its proper divisors (194941520).

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

145477000 is a wasteful number, since it uses less digits than its factorization.

145477000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145498 (or 145484 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 145477000 is about 12061.3846634622. The cubic root of 145477000 is about 525.9342397803.

The spelling of 145477000 in words is "one hundred forty-five million, four hundred seventy-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 145477 290954 581908 727385 1163816 1454770 2909540 3636925 5819080 7273850 14547700 18184625 29095400 36369250 72738500 145477000