150901897 has 2 divisors, whose sum is σ = 150901898. Its totient is φ = 150901896.

The previous prime is 150901879. The next prime is 150901931. The reversal of 150901897 is 798109051.

It is a happy number.

150901897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (150901879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114468601 + 36433296 = 10699^2 + 6036^2 .

It is an emirp because it is prime and its reverse (798109051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150901897 is a prime.

It is not a weakly prime, because it can be changed into another prime (150901837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75450948 + 75450949.

It is an arithmetic number, because the mean of its divisors is an integer number (75450949).

Almost surely, 2^150901897 is an apocalyptic number.

It is an amenable number.

150901897 is a deficient number, since it is larger than the sum of its proper divisors (1).

150901897 is an equidigital number, since it uses as much as digits as its factorization.

150901897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 150901897 is about 12284.2133244258. The cubic root of 150901897 is about 532.3920558235.

The spelling of 150901897 in words is "one hundred fifty million, nine hundred one thousand, eight hundred ninety-seven".