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144735157 = 7371374079
BaseRepresentation
bin10001010000001…
…11101110110101
3101002100022022101
420220013232311
5244023011112
622210102101
73405141250
oct1050075665
9332308271
10144735157
1174776736
124057a931
1323ca7708
1415318097
15ca8e757
hex8a07bb5

144735157 has 16 divisors (see below), whose sum is σ = 171164160. Its totient is φ = 119795328.

The previous prime is 144735131. The next prime is 144735163. The reversal of 144735157 is 751537441.

144735157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144735157 - 27 = 144735029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144735167) 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, 33444 + ... + 37522.

It is an arithmetic number, because the mean of its divisors is an integer number (10697760).

Almost surely, 2144735157 is an apocalyptic number.

It is an amenable number.

144735157 is a deficient number, since it is larger than the sum of its proper divisors (26429003).

144735157 is a wasteful number, since it uses less digits than its factorization.

144735157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260.

The product of its digits is 58800, while the sum is 37.

The square root of 144735157 is about 12030.5925456729. The cubic root of 144735157 is about 525.0387357663.

The spelling of 144735157 in words is "one hundred forty-four million, seven hundred thirty-five thousand, one hundred fifty-seven".

Divisors: 1 7 37 137 259 959 4079 5069 28553 35483 150923 558823 1056461 3911761 20676451 144735157