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149454001 is a prime number
BaseRepresentation
bin10001110100001…
…11110010110001
3101102020001100101
420322013302301
5301230012001
622455152401
73463223644
oct1072076261
9342201311
10149454001
11773aa004
1242075701
1324c6a528
1415bc5a5b
15d1c2a01
hex8e87cb1

149454001 has 2 divisors, whose sum is σ = 149454002. Its totient is φ = 149454000.

The previous prime is 149453999. The next prime is 149454029. The reversal of 149454001 is 100454941.

149454001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (149454029) can be obtained adding 149454001 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148254976 + 1199025 = 12176^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 149454001 - 21 = 149453999 is a prime.

Together with 149453999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149454601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74727000 + 74727001.

It is an arithmetic number, because the mean of its divisors is an integer number (74727001).

Almost surely, 2149454001 is an apocalyptic number.

It is an amenable number.

149454001 is a deficient number, since it is larger than the sum of its proper divisors (1).

149454001 is an equidigital number, since it uses as much as digits as its factorization.

149454001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 149454001 is about 12225.1380769298. The cubic root of 149454001 is about 530.6838224461.

The spelling of 149454001 in words is "one hundred forty-nine million, four hundred fifty-four thousand, one".