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148109155 = 5160718433
BaseRepresentation
bin10001101001111…
…11011101100011
3101022200201120021
420310333131203
5300403443110
622410254311
73445623055
oct1064773543
9338621507
10148109155
1176670667
1241727397
13248b936c
14159558d5
15d0092da
hex8d3f763

148109155 has 8 divisors (see below), whose sum is σ = 177851232. Its totient is φ = 118407168.

The previous prime is 148109153. The next prime is 148109207. The reversal of 148109155 is 551901841.

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 148109155 - 21 = 148109153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148109155.

It is not an unprimeable number, because it can be changed into a prime (148109153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 17251.

It is an arithmetic number, because the mean of its divisors is an integer number (22231404).

Almost surely, 2148109155 is an apocalyptic number.

148109155 is a deficient number, since it is larger than the sum of its proper divisors (29742077).

148109155 is a wasteful number, since it uses less digits than its factorization.

148109155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20045.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 148109155 is about 12170.0104765772. The cubic root of 148109155 is about 529.0872565926.

The spelling of 148109155 in words is "one hundred forty-eight million, one hundred nine thousand, one hundred fifty-five".

Divisors: 1 5 1607 8035 18433 92165 29621831 148109155