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148597161 = 3419831229
BaseRepresentation
bin10001101101101…
…10100110101001
3101100121111222120
420312312212221
5301020102121
622424541453
73453024606
oct1066664651
9340544876
10148597161
1176974279
1241921889
1324a2a51b
1415a416ad
15d0a3bc6
hex8db69a9

148597161 has 16 divisors (see below), whose sum is σ = 203333760. Its totient is φ = 96471680.

The previous prime is 148597133. The next prime is 148597171. The reversal of 148597161 is 161795841.

It is a cyclic number.

It is not a de Polignac number, because 148597161 - 25 = 148597129 is a prime.

It is a super-2 number, since 2×1485971612 = 44162232514519842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (148597171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120295 + ... + 121523.

It is an arithmetic number, because the mean of its divisors is an integer number (12708360).

Almost surely, 2148597161 is an apocalyptic number.

It is an amenable number.

148597161 is a deficient number, since it is larger than the sum of its proper divisors (54736599).

148597161 is a wasteful number, since it uses less digits than its factorization.

148597161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its digits is 60480, while the sum is 42.

The square root of 148597161 is about 12190.0435192004. The cubic root of 148597161 is about 529.6677174345.

The spelling of 148597161 in words is "one hundred forty-eight million, five hundred ninety-seven thousand, one hundred sixty-one".

Divisors: 1 3 41 123 983 1229 2949 3687 40303 50389 120909 151167 1208107 3624321 49532387 148597161