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158481853 is a prime number
BaseRepresentation
bin10010111001000…
…11110110111101
3102001012201020021
421130203312331
5311032404403
623420452141
73633034135
oct1134436675
9361181207
10158481853
1181505842
12450aa051
1326aab75a
1417095ac5
15dda78bd
hex9723dbd

158481853 has 2 divisors, whose sum is σ = 158481854. Its totient is φ = 158481852.

The previous prime is 158481833. The next prime is 158481859. The reversal of 158481853 is 358184851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158432569 + 49284 = 12587^2 + 222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-158481853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158481859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79240926 + 79240927.

It is an arithmetic number, because the mean of its divisors is an integer number (79240927).

Almost surely, 2158481853 is an apocalyptic number.

It is an amenable number.

158481853 is a deficient number, since it is larger than the sum of its proper divisors (1).

158481853 is an equidigital number, since it uses as much as digits as its factorization.

158481853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 43.

The square root of 158481853 is about 12588.9575819446. The cubic root of 158481853 is about 541.1610284589.

The spelling of 158481853 in words is "one hundred fifty-eight million, four hundred eighty-one thousand, eight hundred fifty-three".