151162231 has 8 divisors (see below), whose sum is σ = 170224128. Its totient is φ = 132987000.

The previous prime is 151162183. The next prime is 151162241. The reversal of 151162231 is 132261151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151162231 - 2⁷ = 151162103 is a prime.

It is a super-2 number, since 2×151162231² = 45700040161794722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151162241) 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 7 ways as a sum of consecutive naturals, for example, 221305 + ... + 221986.

It is an arithmetic number, because the mean of its divisors is an integer number (21278016).

Almost surely, 2^151162231 is an apocalyptic number.

151162231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151162231 is a deficient number, since it is larger than the sum of its proper divisors (19061897).

151162231 is a wasteful number, since it uses less digits than its factorization.

151162231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443333.

The product of its digits is 360, while the sum is 22.

The square root of 151162231 is about 12294.8050411546. The cubic root of 151162231 is about 532.6980385602.

The spelling of 151162231 in words is "one hundred fifty-one million, one hundred sixty-two thousand, two hundred thirty-one".