151215101 has 2 divisors, whose sum is σ = 151215102. Its totient is φ = 151215100.

The previous prime is 151215089. The next prime is 151215149. The reversal of 151215101 is 101512151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86025625 + 65189476 = 9275^2 + 8074^2 .

It is a cyclic number.

It is not a de Polignac number, because 151215101 - 2⁶ = 151215037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151215101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151215191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75607550 + 75607551.

It is an arithmetic number, because the mean of its divisors is an integer number (75607551).

Almost surely, 2^151215101 is an apocalyptic number.

It is an amenable number.

151215101 is a deficient number, since it is larger than the sum of its proper divisors (1).

151215101 is an equidigital number, since it uses as much as digits as its factorization.

151215101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 151215101 is about 12296.9549482789. The cubic root of 151215101 is about 532.7601362201.

Adding to 151215101 its reverse (101512151), we get a palindrome (252727252).

The spelling of 151215101 in words is "one hundred fifty-one million, two hundred fifteen thousand, one hundred one".