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145563501 = 361217927
BaseRepresentation
bin10001010110100…
…01111101101101
3101010220101120210
420223101331231
5244231013001
622235533033
73415161246
oct1053217555
9333811523
10145563501
1175192016
12408ba179
1324207765
1415491ccd
15cba4dd6
hex8ad1f6d

145563501 has 8 divisors (see below), whose sum is σ = 194140864. Its totient is φ = 97014240.

The previous prime is 145563487. The next prime is 145563529. The reversal of 145563501 is 105365541.

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

It is not a de Polignac number, because 145563501 - 27 = 145563373 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 (145563601) 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, 14400 + ... + 22326.

It is an arithmetic number, because the mean of its divisors is an integer number (24267608).

Almost surely, 2145563501 is an apocalyptic number.

It is an amenable number.

145563501 is a deficient number, since it is larger than the sum of its proper divisors (48577363).

145563501 is an equidigital number, since it uses as much as digits as its factorization.

145563501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14051.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 145563501 is about 12064.9699958185. The cubic root of 145563501 is about 526.0384597457.

The spelling of 145563501 in words is "one hundred forty-five million, five hundred sixty-three thousand, five hundred one".

Divisors: 1 3 6121 7927 18363 23781 48521167 145563501