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145630851 = 361795797
BaseRepresentation
bin10001010111000…
…10011010000011
3101011000210222020
420223202122003
5244240141401
622241212523
73415561512
oct1053423203
9334023866
10145630851
1175228683
1240931143
132422c302
14154ac679
15cbb9d36
hex8ae2683

145630851 has 8 divisors (see below), whose sum is σ = 197357904. Its totient is φ = 95495520.

The previous prime is 145630841. The next prime is 145630879. The reversal of 145630851 is 158036541.

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

It is not a de Polignac number, because 145630851 - 29 = 145630339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145630841) 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, 397716 + ... + 398081.

It is an arithmetic number, because the mean of its divisors is an integer number (24669738).

Almost surely, 2145630851 is an apocalyptic number.

145630851 is a deficient number, since it is larger than the sum of its proper divisors (51727053).

145630851 is an equidigital number, since it uses as much as digits as its factorization.

145630851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795861.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 145630851 is about 12067.7608113519. The cubic root of 145630851 is about 526.1195772130.

The spelling of 145630851 in words is "one hundred forty-five million, six hundred thirty thousand, eight hundred fifty-one".

Divisors: 1 3 61 183 795797 2387391 48543617 145630851