150188197 has 2 divisors, whose sum is σ = 150188198. Its totient is φ = 150188196.

The previous prime is 150188177. The next prime is 150188221. The reversal of 150188197 is 791881051.

150188197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146676321 + 3511876 = 12111^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 150188197 - 2¹¹ = 150186149 is a prime.

It is a super-2 number, since 2×150188197² = 45112989036221618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150188147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75094098 + 75094099.

It is an arithmetic number, because the mean of its divisors is an integer number (75094099).

Almost surely, 2^150188197 is an apocalyptic number.

It is an amenable number.

150188197 is a deficient number, since it is larger than the sum of its proper divisors (1).

150188197 is an equidigital number, since it uses as much as digits as its factorization.

150188197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 40.

The square root of 150188197 is about 12255.1294158813. The cubic root of 150188197 is about 531.5514018962.

It can be divided in two parts, 1501 and 88197, that added together give a palindrome (89698).

The spelling of 150188197 in words is "one hundred fifty million, one hundred eighty-eight thousand, one hundred ninety-seven".