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145760446 = 21316693359
BaseRepresentation
bin10001011000000…
…10000010111110
3101011021101202001
420230002002332
5244303313241
622244052514
73416641366
oct1054020276
9334241661
10145760446
1175306a87
124099413a
13242762b0
14155039a6
15cbe3431
hex8b020be

145760446 has 16 divisors (see below), whose sum is σ = 235670400. Its totient is φ = 67213728.

The previous prime is 145760437. The next prime is 145760471. The reversal of 145760446 is 644067541.

It is a super-2 number, since 2×1457604462 = 42492215236237832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41715 + ... + 45073.

It is an arithmetic number, because the mean of its divisors is an integer number (14729400).

Almost surely, 2145760446 is an apocalyptic number.

145760446 is a deficient number, since it is larger than the sum of its proper divisors (89909954).

145760446 is a wasteful number, since it uses less digits than its factorization.

145760446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 145760446 is about 12073.1290890142. The cubic root of 145760446 is about 526.2755932660.

The spelling of 145760446 in words is "one hundred forty-five million, seven hundred sixty thousand, four hundred forty-six".

Divisors: 1 2 13 26 1669 3338 3359 6718 21697 43394 43667 87334 5606171 11212342 72880223 145760446