150141997 has 2 divisors, whose sum is σ = 150141998.
Its totient is φ = 150141996.
The previous prime is 150141991. The next prime is 150142001. The reversal of 150141997 is 799141051.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 138438756 + 11703241 = 11766^2 + 3421^2
It is an emirp because it is prime and its reverse (799141051) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 150141997 - 23 = 150141989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (150141991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75070998 + 75070999.
It is an arithmetic number, because the mean of its divisors is an integer number (75070999).
Almost surely, 2150141997 is an apocalyptic number.
It is an amenable number.
150141997 is a deficient number, since it is larger than the sum of its proper divisors (1).
150141997 is an equidigital number, since it uses as much as digits as its factorization.
150141997 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11340, while the sum is 37.
The square root of 150141997 is about 12253.2443458865.
The cubic root of 150141997 is about 531.4968920795.
The spelling of 150141997 in words is "one hundred fifty million, one hundred forty-one thousand, nine hundred ninety-seven".