151422 has 8 divisors (see below), whose sum is σ = 302856. Its totient is φ = 50472.

The previous prime is 151397. The next prime is 151423. The reversal of 151422 is 224151.

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

151422 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151422.

It is not an unprimeable number, because it can be changed into a prime (151423) 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, 12613 + ... + 12624.

It is an arithmetic number, because the mean of its divisors is an integer number (37857).

2¹⁵¹⁴²² is an apocalyptic number.

151422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151422 is a wasteful number, since it uses less digits than its factorization.

151422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25242.

The product of its digits is 80, while the sum is 15.

The square root of 151422 is about 389.1297983964. The cubic root of 151422 is about 53.3003007257.

Adding to 151422 its reverse (224151), we get a palindrome (375573).

The spelling of 151422 in words is "one hundred fifty-one thousand, four hundred twenty-two".