151216151 has 4 divisors (see below), whose sum is σ = 155303112. Its totient is φ = 147129192.

The previous prime is 151216147. The next prime is 151216181. The reversal of 151216151 is 151612151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151612151 = 211 ⋅718541.

It is a cyclic number.

It is not a de Polignac number, because 151216151 - 2² = 151216147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151216141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043425 + ... + 2043498.

It is an arithmetic number, because the mean of its divisors is an integer number (38825778).

Almost surely, 2^151216151 is an apocalyptic number.

151216151 is a deficient number, since it is larger than the sum of its proper divisors (4086961).

151216151 is an equidigital number, since it uses as much as digits as its factorization.

151216151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086960.

The product of its digits is 300, while the sum is 23.

The square root of 151216151 is about 12296.9976417010. The cubic root of 151216151 is about 532.7613693352.

The spelling of 151216151 in words is "one hundred fifty-one million, two hundred sixteen thousand, one hundred fifty-one".