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144454115135 = 51119739531987
BaseRepresentation
bin1000011010001000100…
…0101101111100111111
3111210212020220101001102
42012202020231330333
54331320223141020
6150210013003315
713302464501501
oct2064210557477
9453766811042
10144454115135
1156298644830
1223bb548353b
13108115c1495
146dc4dd1d71
153b56c99475
hex21a222df3f

144454115135 has 64 divisors (see below), whose sum is σ = 202096581120. Its totient is φ = 98012436480.

The previous prime is 144454115093. The next prime is 144454115149. The reversal of 144454115135 is 531511454441.

It is not a de Polignac number, because 144454115135 - 226 = 144387006271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72698612 + ... + 72700598.

It is an arithmetic number, because the mean of its divisors is an integer number (3157759080).

Almost surely, 2144454115135 is an apocalyptic number.

144454115135 is a deficient number, since it is larger than the sum of its proper divisors (57642465985).

144454115135 is a wasteful number, since it uses less digits than its factorization.

144454115135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its digits is 96000, while the sum is 38.

Adding to 144454115135 its reverse (531511454441), we get a palindrome (675965569576).

The spelling of 144454115135 in words is "one hundred forty-four billion, four hundred fifty-four million, one hundred fifteen thousand, one hundred thirty-five".

Divisors: 1 5 11 19 55 73 95 209 365 803 953 1045 1387 1987 4015 4765 6935 9935 10483 15257 18107 21857 37753 52415 69569 76285 90535 109285 145051 188765 199177 347845 415283 725255 765259 995885 1321811 1595561 1893611 2076415 2755969 3826295 6609055 7977805 9468055 13779845 14539921 20829721 30315659 35978609 72699605 104148605 138233603 151578295 179893045 395764699 691168015 1520569633 1978823495 2626438457 7602848165 13132192285 28890823027 144454115135