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154072133 is a prime number
BaseRepresentation
bin10010010111011…
…11010001000101
3101201220200020022
421023233101011
5303420302013
623142144525
73550406615
oct1113572105
9351820208
10154072133
1179a73746
1243722145
1325bc6557
1416668a45
15d7d6008
hex92ef445

154072133 has 2 divisors, whose sum is σ = 154072134. Its totient is φ = 154072132.

The previous prime is 154072123. The next prime is 154072151. The reversal of 154072133 is 331270451.

154072133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110208004 + 43864129 = 10498^2 + 6623^2 .

It is a cyclic number.

It is not a de Polignac number, because 154072133 - 24 = 154072117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154072103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77036066 + 77036067.

It is an arithmetic number, because the mean of its divisors is an integer number (77036067).

Almost surely, 2154072133 is an apocalyptic number.

It is an amenable number.

154072133 is a deficient number, since it is larger than the sum of its proper divisors (1).

154072133 is an equidigital number, since it uses as much as digits as its factorization.

154072133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 154072133 is about 12412.5796271363. The cubic root of 154072133 is about 536.0945164967.

The spelling of 154072133 in words is "one hundred fifty-four million, seventy-two thousand, one hundred thirty-three".