151126231 has 4 divisors (see below), whose sum is σ = 151151464. Its totient is φ = 151101000.

The previous prime is 151126193. The next prime is 151126237. The reversal of 151126231 is 132621151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151126231 - 2⁹ = 151125719 is a prime.

It is a super-2 number, since 2×151126231² = 45678275392530722, 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 (151126237) 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, 2056 + ... + 17506.

It is an arithmetic number, because the mean of its divisors is an integer number (37787866).

Almost surely, 2^151126231 is an apocalyptic number.

151126231 is a deficient number, since it is larger than the sum of its proper divisors (25233).

151126231 is an equidigital number, since it uses as much as digits as its factorization.

151126231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25232.

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

The square root of 151126231 is about 12293.3409210027. The cubic root of 151126231 is about 532.6557470172.

Adding to 151126231 its reverse (132621151), we get a palindrome (283747382).

The spelling of 151126231 in words is "one hundred fifty-one million, one hundred twenty-six thousand, two hundred thirty-one".