Search a number
-
+
545155545 = 351123143651
BaseRepresentation
bin100000011111100…
…110100111011001
31101222210202211010
4200133212213121
52104024434140
6130032324133
716336513524
oct4037464731
91358722733
10545155545
1125a7a9480
121326a3649
1388c3545c
145258bbbb
1532cd7880
hex207e69d9

545155545 has 32 divisors (see below), whose sum is σ = 992922624. Its totient is φ = 252824000.

The previous prime is 545155531. The next prime is 545155561. The reversal of 545155545 is 545551545.

It is not a de Polignac number, because 545155545 - 213 = 545147353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68031 + ... + 75620.

It is an arithmetic number, because the mean of its divisors is an integer number (31028832).

Almost surely, 2545155545 is an apocalyptic number.

545155545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545155545 is a deficient number, since it is larger than the sum of its proper divisors (447767079).

545155545 is a wasteful number, since it uses less digits than its factorization.

545155545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143693.

The product of its digits is 250000, while the sum is 39.

The square root of 545155545 is about 23348.5662300707. The cubic root of 545155545 is about 816.9086184858.

The spelling of 545155545 in words is "five hundred forty-five million, one hundred fifty-five thousand, five hundred forty-five".

Divisors: 1 3 5 11 15 23 33 55 69 115 165 253 345 759 1265 3795 143651 430953 718255 1580161 2154765 3303973 4740483 7900805 9911919 16519865 23702415 36343703 49559595 109031109 181718515 545155545