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148556153 = 1011937621
BaseRepresentation
bin10001101101011…
…00100101111001
3101100112102201202
420312230211321
5301012244103
622424023545
73452464214
oct1066544571
9340472652
10148556153
1176946489
1241901bb5
1324a14965
1415a3077b
15d096988
hex8dac979

148556153 has 8 divisors (see below), whose sum is σ = 150824136. Its totient is φ = 146304000.

The previous prime is 148556137. The next prime is 148556201. The reversal of 148556153 is 351655841.

It can be written as a sum of positive squares in 4 ways, for example, as 72046144 + 76510009 = 8488^2 + 8747^2 .

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 148556153 - 24 = 148556137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148556053) 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, 15683 + ... + 23303.

It is an arithmetic number, because the mean of its divisors is an integer number (18853017).

Almost surely, 2148556153 is an apocalyptic number.

It is an amenable number.

148556153 is a deficient number, since it is larger than the sum of its proper divisors (2267983).

148556153 is a wasteful number, since it uses less digits than its factorization.

148556153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7915.

The product of its digits is 72000, while the sum is 38.

The square root of 148556153 is about 12188.3613746886. The cubic root of 148556153 is about 529.6189892444.

The spelling of 148556153 in words is "one hundred forty-eight million, five hundred fifty-six thousand, one hundred fifty-three".

Divisors: 1 101 193 7621 19493 769721 1470853 148556153