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145224075066 = 2372493959439
BaseRepresentation
bin1000011101000000000…
…1111000011100111010
3111212211220201101111220
42013100001320130322
54334404330400231
6150414235532510
713330534161600
oct2072001703472
9455756641456
10145224075066
1156653228054
122418b2ba136
1310904c87085
14705937b870
153b9e68a896
hex21d007873a

145224075066 has 24 divisors (see below), whose sum is σ = 337868256960. Its totient is φ = 41492592792.

The previous prime is 145224075023. The next prime is 145224075071. The reversal of 145224075066 is 660570422541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246979426 + ... + 246980013.

It is an arithmetic number, because the mean of its divisors is an integer number (14077844040).

Almost surely, 2145224075066 is an apocalyptic number.

145224075066 is an abundant number, since it is smaller than the sum of its proper divisors (192644181894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145224075066 is a wasteful number, since it uses less digits than its factorization.

145224075066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493959458 (or 493959451 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 145224075066 in words is "one hundred forty-five billion, two hundred twenty-four million, seventy-five thousand, sixty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 493959439 987918878 1481878317 2963756634 3457716073 6915432146 10373148219 20746296438 24204012511 48408025022 72612037533 145224075066