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141681457 is a prime number
BaseRepresentation
bin10000111000111…
…10001100110001
3100212121011102101
420130132030301
5242232301312
622020420401
73340162321
oct1034361461
9325534371
10141681457
1172a80415
123b547701
13234787a8
1414b61281
15c689a57
hex871e331

141681457 has 2 divisors, whose sum is σ = 141681458. Its totient is φ = 141681456.

The previous prime is 141681437. The next prime is 141681481. The reversal of 141681457 is 754186141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103042801 + 38638656 = 10151^2 + 6216^2 .

It is a cyclic number.

It is not a de Polignac number, because 141681457 - 219 = 141157169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141681437) 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, 70840728 + 70840729.

It is an arithmetic number, because the mean of its divisors is an integer number (70840729).

Almost surely, 2141681457 is an apocalyptic number.

It is an amenable number.

141681457 is a deficient number, since it is larger than the sum of its proper divisors (1).

141681457 is an equidigital number, since it uses as much as digits as its factorization.

141681457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 37.

The square root of 141681457 is about 11903.0020162982. The cubic root of 141681457 is about 521.3199418096.

It can be divided in two parts, 14168 and 1457, that added together give a 6-th power (15625 = 56).

The spelling of 141681457 in words is "one hundred forty-one million, six hundred eighty-one thousand, four hundred fifty-seven".