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1431045045 = 325229138869
BaseRepresentation
bin101010101001100…
…0000001110110101
310200201202121202100
41111103000032311
510412321420140
6354000132313
750314452663
oct12523001665
93621677670
101431045045
11674873361
1233b307099
1319a62b321
14d80b3c33
1585978530
hex554c03b5

1431045045 has 24 divisors (see below), whose sum is σ = 2491327800. Its totient is φ = 759885696.

The previous prime is 1431045043. The next prime is 1431045053. The reversal of 1431045045 is 5405401341.

It is a happy number.

1431045045 is a `hidden beast` number, since 143 + 10 + 4 + 504 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53670276 + 1377374769 = 7326^2 + 37113^2 .

It is not a de Polignac number, because 1431045045 - 21 = 1431045043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431045043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59130 + ... + 79739.

It is an arithmetic number, because the mean of its divisors is an integer number (103805325).

Almost surely, 21431045045 is an apocalyptic number.

1431045045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1431045045 is a deficient number, since it is larger than the sum of its proper divisors (1060282755).

1431045045 is a wasteful number, since it uses less digits than its factorization.

1431045045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139109 (or 139106 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1431045045 is about 37829.1560175482. The cubic root of 1431045045 is about 1126.8975501738.

Adding to 1431045045 its reverse (5405401341), we get a palindrome (6836446386).

The spelling of 1431045045 in words is "one billion, four hundred thirty-one million, forty-five thousand, forty-five".

Divisors: 1 3 5 9 15 45 229 687 1145 2061 3435 10305 138869 416607 694345 1249821 2083035 6249105 31801001 95403003 159005005 286209009 477015015 1431045045