151944231 has 4 divisors (see below), whose sum is σ = 202592312. Its totient is φ = 101296152.

The previous prime is 151944227. The next prime is 151944257. The reversal of 151944231 is 132449151.

151944231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 151944231 - 2² = 151944227 is a prime.

It is a super-2 number, since 2×151944231² = 46174098668362722, 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 (151944031) 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, 25324036 + ... + 25324041.

It is an arithmetic number, because the mean of its divisors is an integer number (50648078).

Almost surely, 2^151944231 is an apocalyptic number.

151944231 is a deficient number, since it is larger than the sum of its proper divisors (50648081).

151944231 is an equidigital number, since it uses as much as digits as its factorization.

151944231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50648080.

The product of its digits is 4320, while the sum is 30.

The square root of 151944231 is about 12326.5660668330. The cubic root of 151944231 is about 533.6150524219.

The spelling of 151944231 in words is "one hundred fifty-one million, nine hundred forty-four thousand, two hundred thirty-one".