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155144196 = 223219226819
BaseRepresentation
bin10010011111101…
…01000000000100
3101210221010211100
421033311000010
5304204103241
623221140100
73562463304
oct1117650004
9353833740
10155144196
117a636149
1243b5a630
13261b04cc
1416867604
15d9489b6
hex93f5004

155144196 has 36 divisors (see below), whose sum is σ = 412812400. Its totient is φ = 48992688.

The previous prime is 155144191. The next prime is 155144203. The reversal of 155144196 is 691441551.

155144196 is a `hidden beast` number, since 15 + 514 + 41 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×1551441964 (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155144196.

It is not an unprimeable number, because it can be changed into a prime (155144191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112726 + ... + 114093.

Almost surely, 2155144196 is an apocalyptic number.

It is an amenable number.

155144196 is an abundant number, since it is smaller than the sum of its proper divisors (257668204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155144196 is a wasteful number, since it uses less digits than its factorization.

155144196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226848 (or 226843 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 155144196 is about 12455.6893024834. The cubic root of 155144196 is about 537.3350592516.

The spelling of 155144196 in words is "one hundred fifty-five million, one hundred forty-four thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 226819 453638 680457 907276 1360914 2041371 2721828 4082742 4309561 8165484 8619122 12928683 17238244 25857366 38786049 51714732 77572098 155144196