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154126481 is a prime number
BaseRepresentation
bin10010010111111…
…00100010010001
3101202000102210012
421023330202101
5303424021411
623143244305
73551024225
oct1113744221
9352012705
10154126481
117a000563
1243749695
1325c15202
1416680785
15d7e718b
hex92fc891

154126481 has 2 divisors, whose sum is σ = 154126482. Its totient is φ = 154126480.

The previous prime is 154126459. The next prime is 154126493. The reversal of 154126481 is 184621451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110355025 + 43771456 = 10505^2 + 6616^2 .

It is a cyclic number.

It is not a de Polignac number, because 154126481 - 210 = 154125457 is a prime.

It is a super-2 number, since 2×1541264812 = 47509944290886722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154126411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77063240 + 77063241.

It is an arithmetic number, because the mean of its divisors is an integer number (77063241).

Almost surely, 2154126481 is an apocalyptic number.

It is an amenable number.

154126481 is a deficient number, since it is larger than the sum of its proper divisors (1).

154126481 is an equidigital number, since it uses as much as digits as its factorization.

154126481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 32.

The square root of 154126481 is about 12414.7686647799. The cubic root of 154126481 is about 536.1575437707.

The spelling of 154126481 in words is "one hundred fifty-four million, one hundred twenty-six thousand, four hundred eighty-one".