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135551445 = 3515757559
BaseRepresentation
bin10000001010001…
…01100111010101
3100110001201121220
420011011213111
5234200121240
621241200553
73234111501
oct1005054725
9313051556
10135551445
116a573897
1239490159
1322110573
1414007301
15bd785d0
hex81459d5

135551445 has 16 divisors (see below), whose sum is σ = 218267520. Its totient is φ = 71832384.

The previous prime is 135551417. The next prime is 135551483. The reversal of 135551445 is 544155531.

It is not a de Polignac number, because 135551445 - 25 = 135551413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26425 + ... + 31134.

It is an arithmetic number, because the mean of its divisors is an integer number (13641720).

Almost surely, 2135551445 is an apocalyptic number.

135551445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135551445 is a deficient number, since it is larger than the sum of its proper divisors (82716075).

135551445 is a wasteful number, since it uses less digits than its factorization.

135551445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57724.

The product of its digits is 30000, while the sum is 33.

The square root of 135551445 is about 11642.6562690822. The cubic root of 135551445 is about 513.6903222752.

The spelling of 135551445 in words is "one hundred thirty-five million, five hundred fifty-one thousand, four hundred forty-five".

Divisors: 1 3 5 15 157 471 785 2355 57559 172677 287795 863385 9036763 27110289 45183815 135551445