151287161 has 4 divisors (see below), whose sum is σ = 156167424. Its totient is φ = 146406900.

The previous prime is 151287127. The next prime is 151287167. The reversal of 151287161 is 161782151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151287161 - 2¹⁰ = 151286137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151287167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2440085 + ... + 2440146.

It is an arithmetic number, because the mean of its divisors is an integer number (39041856).

Almost surely, 2^151287161 is an apocalyptic number.

It is an amenable number.

151287161 is a deficient number, since it is larger than the sum of its proper divisors (4880263).

151287161 is an equidigital number, since it uses as much as digits as its factorization.

151287161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880262.

The product of its digits is 3360, while the sum is 32.

The square root of 151287161 is about 12299.8845929545. The cubic root of 151287161 is about 532.8447499008.

The spelling of 151287161 in words is "one hundred fifty-one million, two hundred eighty-seven thousand, one hundred sixty-one".