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144458871445 = 57311031292639
BaseRepresentation
bin1000011010001001101…
…0110111001010010101
3111210212120212000111001
42012202122313022111
54331322432341240
6150210302543301
713302553101340
oct2064232671225
9453776760431
10144458871445
11562a02a3269
1223bb6b97b31
1310812598375
146dc58ad457
153b573d889a
hex21a26b7295

144458871445 has 32 divisors (see below), whose sum is σ = 206491484160. Its totient is φ = 94931334720.

The previous prime is 144458871437. The next prime is 144458871457. The reversal of 144458871445 is 544178854441.

It is not a de Polignac number, because 144458871445 - 23 = 144458871437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534565 + ... + 758074.

It is an arithmetic number, because the mean of its divisors is an integer number (6452858880).

Almost surely, 2144458871445 is an apocalyptic number.

It is an amenable number.

144458871445 is a deficient number, since it is larger than the sum of its proper divisors (62032612715).

144458871445 is a wasteful number, since it uses less digits than its factorization.

144458871445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292785.

The product of its digits is 11468800, while the sum is 55.

The spelling of 144458871445 in words is "one hundred forty-four billion, four hundred fifty-eight million, eight hundred seventy-one thousand, four hundred forty-five".

Divisors: 1 5 7 31 35 103 155 217 515 721 1085 3193 3605 15965 22351 111755 1292639 6463195 9048473 40071809 45242365 133141817 200359045 280502663 665709085 931992719 1402513315 4127396327 4659963595 20636981635 28891774289 144458871445