151442201 has 2 divisors, whose sum is σ = 151442202. Its totient is φ = 151442200.

The previous prime is 151442197. The next prime is 151442237. The reversal of 151442201 is 102244151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79192201 + 72250000 = 8899^2 + 8500^2 .

It is an emirp because it is prime and its reverse (102244151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151442201 - 2² = 151442197 is a prime.

It is not a weakly prime, because it can be changed into another prime (151442101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75721100 + 75721101.

It is an arithmetic number, because the mean of its divisors is an integer number (75721101).

Almost surely, 2^151442201 is an apocalyptic number.

It is an amenable number.

151442201 is a deficient number, since it is larger than the sum of its proper divisors (1).

151442201 is an equidigital number, since it uses as much as digits as its factorization.

151442201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 151442201 is about 12306.1854772305. The cubic root of 151442201 is about 533.0267086011.

Adding to 151442201 its reverse (102244151), we get a palindrome (253686352).

The spelling of 151442201 in words is "one hundred fifty-one million, four hundred forty-two thousand, two hundred one".