387045149 has 2 divisors, whose sum is σ = 387045150. Its totient is φ = 387045148.

The previous prime is 387045119. The next prime is 387045161. The reversal of 387045149 is 941540783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385336900 + 1708249 = 19630^2 + 1307^2 .

It is a cyclic number.

It is not a de Polignac number, because 387045149 - 2⁸ = 387044893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387045119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193522574 + 193522575.

It is an arithmetic number, because the mean of its divisors is an integer number (193522575).

Almost surely, 2^387045149 is an apocalyptic number.

It is an amenable number.

387045149 is a deficient number, since it is larger than the sum of its proper divisors (1).

387045149 is an equidigital number, since it uses as much as digits as its factorization.

387045149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 387045149 is about 19673.4630657645. The cubic root of 387045149 is about 728.7645011222.

The spelling of 387045149 in words is "three hundred eighty-seven million, forty-five thousand, one hundred forty-nine".