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143361955 = 51118114401
BaseRepresentation
bin10001000101110…
…00011110100011
3100222202112122001
420202320132203
5243200040310
622120424431
73360361612
oct1042703643
9328675561
10143361955
1173a18a60
1240018117
1323916679
141507b879
15c8bc93a
hex88b87a3

143361955 has 16 divisors (see below), whose sum is σ = 188723808. Its totient is φ = 103680000.

The previous prime is 143361947. The next prime is 143361961. The reversal of 143361955 is 559163341.

It is a happy number.

It is not a de Polignac number, because 143361955 - 23 = 143361947 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 2755 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (11795238).

Almost surely, 2143361955 is an apocalyptic number.

143361955 is a deficient number, since it is larger than the sum of its proper divisors (45361853).

143361955 is a wasteful number, since it uses less digits than its factorization.

143361955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14598.

The product of its digits is 48600, while the sum is 37.

The square root of 143361955 is about 11973.3852773558. The cubic root of 143361955 is about 523.3729886873.

The spelling of 143361955 in words is "one hundred forty-three million, three hundred sixty-one thousand, nine hundred fifty-five".

Divisors: 1 5 11 55 181 905 1991 9955 14401 72005 158411 792055 2606581 13032905 28672391 143361955