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149425541 is a prime number
BaseRepresentation
bin10001110100000…
…00110110000101
3101102011121022022
420322000312011
5301223104131
622454412525
73463044656
oct1072006605
9342147268
10149425541
117738a691
1242061145
1324c5a5a5
1415bb952d
15d1b937b
hex8e80d85

149425541 has 2 divisors, whose sum is σ = 149425542. Its totient is φ = 149425540.

The previous prime is 149425537. The next prime is 149425579. The reversal of 149425541 is 145524941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106523041 + 42902500 = 10321^2 + 6550^2 .

It is a cyclic number.

It is not a de Polignac number, because 149425541 - 22 = 149425537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149425501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74712770 + 74712771.

It is an arithmetic number, because the mean of its divisors is an integer number (74712771).

Almost surely, 2149425541 is an apocalyptic number.

It is an amenable number.

149425541 is a deficient number, since it is larger than the sum of its proper divisors (1).

149425541 is an equidigital number, since it uses as much as digits as its factorization.

149425541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 149425541 is about 12223.9740264776. The cubic root of 149425541 is about 530.6501348895.

The spelling of 149425541 in words is "one hundred forty-nine million, four hundred twenty-five thousand, five hundred forty-one".