151323142 has 8 divisors (see below), whose sum is σ = 227868696. Its totient is φ = 75366912.

The previous prime is 151323101. The next prime is 151323143. The reversal of 151323142 is 241323151.

It is a happy number.

151323142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×151323142³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151323143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146688 + ... + 147715.

It is an arithmetic number, because the mean of its divisors is an integer number (28483587).

Almost surely, 2^151323142 is an apocalyptic number.

151323142 is a deficient number, since it is larger than the sum of its proper divisors (76545554).

151323142 is a wasteful number, since it uses less digits than its factorization.

151323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294662.

The product of its digits is 720, while the sum is 22.

The square root of 151323142 is about 12301.3471619982. The cubic root of 151323142 is about 532.8869891476.

Adding to 151323142 its reverse (241323151), we get a palindrome (392646293).

Subtracting 151323142 from its reverse (241323151), we obtain a palindrome (90000009).

The spelling of 151323142 in words is "one hundred fifty-one million, three hundred twenty-three thousand, one hundred forty-two".