149151001 has 2 divisors, whose sum is σ = 149151002. Its totient is φ = 149151000.

The previous prime is 149150999. The next prime is 149151019. The reversal of 149151001 is 100151941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144841225 + 4309776 = 12035^2 + 2076^2 .

It is a cyclic number.

It is not a de Polignac number, because 149151001 - 2¹ = 149150999 is a prime.

Together with 149150999, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149151091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74575500 + 74575501.

It is an arithmetic number, because the mean of its divisors is an integer number (74575501).

Almost surely, 2^149151001 is an apocalyptic number.

It is an amenable number.

149151001 is a deficient number, since it is larger than the sum of its proper divisors (1).

149151001 is an equidigital number, since it uses as much as digits as its factorization.

149151001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 149151001 is about 12212.7392914121. The cubic root of 149151001 is about 530.3249472842.

The spelling of 149151001 in words is "one hundred forty-nine million, one hundred fifty-one thousand, one".