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145795810 = 2514579581
BaseRepresentation
bin10001011000010…
…10101011100010
3101011100012020211
420230022223202
5244310431220
622244524334
73420146446
oct1054125342
9334305224
10145795810
1175330606
12409b06aa
1324289414
1415512826
15cbedb5a
hex8b0aae2

145795810 has 8 divisors (see below), whose sum is σ = 262432476. Its totient is φ = 58318320.

The previous prime is 145795801. The next prime is 145795813. The reversal of 145795810 is 18597541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145515969 + 279841 = 12063^2 + 529^2 .

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

It is a super-2 number, since 2×1457958102 = 42512836427112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145795813) 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, 7289781 + ... + 7289800.

Almost surely, 2145795810 is an apocalyptic number.

145795810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145795810 is a deficient number, since it is larger than the sum of its proper divisors (116636666).

145795810 is a wasteful number, since it uses less digits than its factorization.

145795810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579588.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 145795810 is about 12074.5935749407. The cubic root of 145795810 is about 526.3181510052.

The spelling of 145795810 in words is "one hundred forty-five million, seven hundred ninety-five thousand, eight hundred ten".

Divisors: 1 2 5 10 14579581 29159162 72897905 145795810