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554151145 = 56110117989
BaseRepresentation
bin100001000001111…
…010110011101001
31102121201210110111
4201001322303221
52113330314040
6130553214321
716506131002
oct4101726351
91377653414
10554151145
11264892a59
121357013a1
138aa64ab2
14538501a9
15339b2dea
hex2107ace9

554151145 has 16 divisors (see below), whose sum is σ = 682612560. Its totient is φ = 431712000.

The previous prime is 554151139. The next prime is 554151149. The reversal of 554151145 is 541151455.

It can be written as a sum of positive squares in 8 ways, for example, as 2277081 + 551874064 = 1509^2 + 23492^2 .

It is not a de Polignac number, because 554151145 - 23 = 554151137 is a prime.

It is a super-2 number, since 2×5541511452 = 614166983009622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (554151149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21811 + ... + 39799.

It is an arithmetic number, because the mean of its divisors is an integer number (42663285).

Almost surely, 2554151145 is an apocalyptic number.

It is an amenable number.

554151145 is a deficient number, since it is larger than the sum of its proper divisors (128461415).

554151145 is a wasteful number, since it uses less digits than its factorization.

554151145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156.

The product of its digits is 10000, while the sum is 31.

The square root of 554151145 is about 23540.4151407744. The cubic root of 554151145 is about 821.3773920548.

The spelling of 554151145 in words is "five hundred fifty-four million, one hundred fifty-one thousand, one hundred forty-five".

Divisors: 1 5 61 101 305 505 6161 17989 30805 89945 1097329 1816889 5486645 9084445 110830229 554151145