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145115005 = 5710738749
BaseRepresentation
bin10001010011001…
…00011101111101
3101010001121100211
420221210131331
5244122140010
622222152421
73411312550
oct1051443575
9333047324
10145115005
1174a06062
1240722711
13240ab589
14153b6697
15cb1708a
hex8a6477d

145115005 has 16 divisors (see below), whose sum is σ = 200880000. Its totient is φ = 98574912.

The previous prime is 145114993. The next prime is 145115011. The reversal of 145115005 is 500511541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 145115005 - 25 = 145114973 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, 15630 + ... + 23119.

It is an arithmetic number, because the mean of its divisors is an integer number (12555000).

Almost surely, 2145115005 is an apocalyptic number.

It is an amenable number.

145115005 is a deficient number, since it is larger than the sum of its proper divisors (55764995).

145115005 is a wasteful number, since it uses less digits than its factorization.

145115005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38868.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 145115005 is about 12046.3689550005. The cubic root of 145115005 is about 525.4976445386.

Adding to 145115005 its reverse (500511541), we get a palindrome (645626546).

The spelling of 145115005 in words is "one hundred forty-five million, one hundred fifteen thousand, five".

Divisors: 1 5 7 35 107 535 749 3745 38749 193745 271243 1356215 4146143 20730715 29023001 145115005