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148085157 = 31122320123
BaseRepresentation
bin10001101001110…
…01100110100101
3101022122111122110
420310321212211
5300402211112
622405551233
73445463103
oct1064714645
9338574573
10148085157
1176654630
1241715519
13248ab46c
141594ac73
15d00213c
hex8d399a5

148085157 has 16 divisors (see below), whose sum is σ = 216373248. Its totient is φ = 89341680.

The previous prime is 148085141. The next prime is 148085159. The reversal of 148085157 is 751580841.

148085157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148085157 - 24 = 148085141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148085159) 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, 2703 + ... + 17420.

It is an arithmetic number, because the mean of its divisors is an integer number (13523328).

Almost surely, 2148085157 is an apocalyptic number.

It is an amenable number.

148085157 is a deficient number, since it is larger than the sum of its proper divisors (68288091).

148085157 is a wasteful number, since it uses less digits than its factorization.

148085157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360.

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 148085157 is about 12169.0244884296. The cubic root of 148085157 is about 529.0586791968.

The spelling of 148085157 in words is "one hundred forty-eight million, eighty-five thousand, one hundred fifty-seven".

Divisors: 1 3 11 33 223 669 2453 7359 20123 60369 221353 664059 4487429 13462287 49361719 148085157