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145456363215 = 32523247756737
BaseRepresentation
bin1000011101110111011…
…1111111011011001111
3111220110002210211221200
42013131313333123033
54340343312110330
6150453254400543
713336354454532
oct2073567773317
9456402724850
10145456363215
1156762363629
1224235060153
1310941137997
14707c166a19
153bb4c71a60
hex21dddff6cf

145456363215 has 48 divisors (see below), whose sum is σ = 263197142208. Its totient is φ = 74172561408.

The previous prime is 145456363187. The next prime is 145456363231. The reversal of 145456363215 is 512363654541.

It is a happy number.

145456363215 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 6 + 3 + 632 + 1 + 5 = 666.

It is not a de Polignac number, because 145456363215 - 28 = 145456362959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2535327 + ... + 2592063.

It is an arithmetic number, because the mean of its divisors is an integer number (5483273796).

Almost surely, 2145456363215 is an apocalyptic number.

145456363215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145456363215 is a deficient number, since it is larger than the sum of its proper divisors (117740778993).

145456363215 is a wasteful number, since it uses less digits than its factorization.

145456363215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59248 (or 59245 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 145456363215 in words is "one hundred forty-five billion, four hundred fifty-six million, three hundred sixty-three thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 2477 7431 12385 22293 37155 56737 56971 111465 170211 170913 283685 284855 510633 512739 851055 854565 1304951 2553165 2563695 3914853 6524755 11744559 19574265 58722795 140537549 421612647 702687745 1264837941 2108063235 3232363627 6324189705 9697090881 16161818135 29091272643 48485454405 145456363215