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145333255 = 51711315131
BaseRepresentation
bin10001010100110…
…01110000000111
3101010110200202011
420222121300013
5244201131010
622230555051
73413212054
oct1052316007
9333420664
10145333255
1175045031
1240808a87
1324156a12
141543202b
15cb5ba8a
hex8a99c07

145333255 has 16 divisors (see below), whose sum is σ = 186305184. Its totient is φ = 108451840.

The previous prime is 145333241. The next prime is 145333273. The reversal of 145333255 is 552333541.

It is not a de Polignac number, because 145333255 - 215 = 145300487 is a prime.

It is a super-2 number, since 2×1453332552 = 42243510017790050, which contains 22 as substring.

It is a Duffinian number.

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, 2040 + ... + 17170.

It is an arithmetic number, because the mean of its divisors is an integer number (11644074).

Almost surely, 2145333255 is an apocalyptic number.

145333255 is a deficient number, since it is larger than the sum of its proper divisors (40971929).

145333255 is a wasteful number, since it uses less digits than its factorization.

145333255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15266.

The product of its digits is 27000, while the sum is 31.

The square root of 145333255 is about 12055.4242978006. The cubic root of 145333255 is about 525.7609584802.

Adding to 145333255 its reverse (552333541), we get a palindrome (697666796).

The spelling of 145333255 in words is "one hundred forty-five million, three hundred thirty-three thousand, two hundred fifty-five".

Divisors: 1 5 17 85 113 565 1921 9605 15131 75655 257227 1286135 1709803 8549015 29066651 145333255