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145341505 = 543676007
BaseRepresentation
bin10001010100110…
…11110001000001
3101010111010001201
420222123301001
5244201412010
622231101201
73413245111
oct1052336101
9333433051
10145341505
1175050251
1240811801
132415a6ba
1415435041
15cb5e23a
hex8a9bc41

145341505 has 8 divisors (see below), whose sum is σ = 178466112. Its totient is φ = 113569008.

The previous prime is 145341503. The next prime is 145341563. The reversal of 145341505 is 505143541.

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

It is a cyclic number.

It is not a de Polignac number, because 145341505 - 21 = 145341503 is a prime.

It is a super-2 number, since 2×1453415052 = 42248306151330050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145341503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337789 + ... + 338218.

It is an arithmetic number, because the mean of its divisors is an integer number (22308264).

Almost surely, 2145341505 is an apocalyptic number.

It is an amenable number.

145341505 is a deficient number, since it is larger than the sum of its proper divisors (33124607).

145341505 is an equidigital number, since it uses as much as digits as its factorization.

145341505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676055.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 145341505 is about 12055.7664625689. The cubic root of 145341505 is about 525.7709067558.

The spelling of 145341505 in words is "one hundred forty-five million, three hundred forty-one thousand, five hundred five".

Divisors: 1 5 43 215 676007 3380035 29068301 145341505