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145112757 = 380959791
BaseRepresentation
bin10001010011000…
…11111010110101
3101010001111021120
420221203322311
5244122102012
622222134153
73411303156
oct1051437265
9333044246
10145112757
1174a043a9
1240721359
13240aa54a
14153b592d
15cb1658c
hex8a63eb5

145112757 has 8 divisors (see below), whose sum is σ = 193726080. Its totient is φ = 96620640.

The previous prime is 145112707. The next prime is 145112771. The reversal of 145112757 is 757211541.

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

It is not a de Polignac number, because 145112757 - 28 = 145112501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145112707) 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, 27469 + ... + 32322.

It is an arithmetic number, because the mean of its divisors is an integer number (24215760).

Almost surely, 2145112757 is an apocalyptic number.

It is an amenable number.

145112757 is a deficient number, since it is larger than the sum of its proper divisors (48613323).

145112757 is an equidigital number, since it uses as much as digits as its factorization.

145112757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60603.

The product of its digits is 9800, while the sum is 33.

The square root of 145112757 is about 12046.2756485148. The cubic root of 145112757 is about 525.4949310016.

The spelling of 145112757 in words is "one hundred forty-five million, one hundred twelve thousand, seven hundred fifty-seven".

Divisors: 1 3 809 2427 59791 179373 48370919 145112757