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147157147 = 1913159123
BaseRepresentation
bin10001100010101…
…11000010011011
3101020220100122201
420301113002123
5300133012042
622334031031
73434546404
oct1061270233
9336810581
10147157147
1176080385
1241348477
1324644c47
14157889ab
15cdbc1b7
hex8c5709b

147157147 has 8 divisors (see below), whose sum is σ = 156087360. Its totient is φ = 138345480.

The previous prime is 147157133. The next prime is 147157169. The reversal of 147157147 is 741751741.

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 147157147 - 215 = 147124379 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (147157187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27073 + ... + 32050.

It is an arithmetic number, because the mean of its divisors is an integer number (19510920).

Almost surely, 2147157147 is an apocalyptic number.

147157147 is a deficient number, since it is larger than the sum of its proper divisors (8930213).

147157147 is a wasteful number, since it uses less digits than its factorization.

147157147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59273.

The product of its digits is 27440, while the sum is 37.

The square root of 147157147 is about 12130.8345549678. The cubic root of 147157147 is about 527.9512062252.

The spelling of 147157147 in words is "one hundred forty-seven million, one hundred fifty-seven thousand, one hundred forty-seven".

Divisors: 1 19 131 2489 59123 1123337 7745113 147157147