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145155263 = 1182116073
BaseRepresentation
bin10001010011011…
…10010010111111
3101010010122120212
420221232102333
5244124432023
622223103035
73411541121
oct1051562277
9333118525
10145155263
1174a33330
1240741a7b
13240c39b6
14153c7211
15cb23e78
hex8a6e4bf

145155263 has 8 divisors (see below), whose sum is σ = 158553936. Its totient is φ = 131790400.

The previous prime is 145155259. The next prime is 145155271. The reversal of 145155263 is 362551541.

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 145155263 - 22 = 145155259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145155203) 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, 995 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (19819242).

Almost surely, 2145155263 is an apocalyptic number.

145155263 is a deficient number, since it is larger than the sum of its proper divisors (13398673).

145155263 is a wasteful number, since it uses less digits than its factorization.

145155263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905.

The product of its digits is 18000, while the sum is 32.

The square root of 145155263 is about 12048.0397990711. The cubic root of 145155263 is about 525.5462348002.

The spelling of 145155263 in words is "one hundred forty-five million, one hundred fifty-five thousand, two hundred sixty-three".

Divisors: 1 11 821 9031 16073 176803 13195933 145155263