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145525734 = 234898307
BaseRepresentation
bin10001010110010…
…00101111100110
3101010211110210000
420223020233212
5244223310414
622235042130
73414643164
oct1053105746
9333743700
10145525734
1175166702
12408a0346
13241c3503
1415482234
15cb98b09
hex8ac8be6

145525734 has 20 divisors (see below), whose sum is σ = 326085804. Its totient is φ = 48508524.

The previous prime is 145525727. The next prime is 145525759. The reversal of 145525734 is 437525541.

145525734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 448992 + ... + 449315.

Almost surely, 2145525734 is an apocalyptic number.

145525734 is an abundant number, since it is smaller than the sum of its proper divisors (180560070).

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

145525734 is an equidigital number, since it uses as much as digits as its factorization.

145525734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898321 (or 898312 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 145525734 is about 12063.4047432721. The cubic root of 145525734 is about 525.9929615890.

The spelling of 145525734 in words is "one hundred forty-five million, five hundred twenty-five thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 898307 1796614 2694921 5389842 8084763 16169526 24254289 48508578 72762867 145525734