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145794886 = 285378539
BaseRepresentation
bin10001011000010…
…10011101000110
3101011100010222121
420230022131012
5244310414021
622244520154
73420143656
oct1054123506
9334303877
10145794886
117532a946
12409b005a
1324288b83
1415512366
15cbed741
hex8b0a746

145794886 has 8 divisors (see below), whose sum is σ = 218743560. Its totient is φ = 72880368.

The previous prime is 145794871. The next prime is 145794889. The reversal of 145794886 is 688497541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1457948864 (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145794889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12805 + ... + 21343.

It is an arithmetic number, because the mean of its divisors is an integer number (27342945).

Almost surely, 2145794886 is an apocalyptic number.

145794886 is a deficient number, since it is larger than the sum of its proper divisors (72948674).

145794886 is an equidigital number, since it uses as much as digits as its factorization.

145794886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17078.

The product of its digits is 1935360, while the sum is 52.

The square root of 145794886 is about 12074.5553127227. Note that the first 3 decimals coincide. The cubic root of 145794886 is about 526.3170391328.

The spelling of 145794886 in words is "one hundred forty-five million, seven hundred ninety-four thousand, eight hundred eighty-six".

Divisors: 1 2 8537 8539 17074 17078 72897443 145794886