151012422 has 48 divisors (see below), whose sum is σ = 359154432. Its totient is φ = 45477360.

The previous prime is 151012397. The next prime is 151012469. The reversal of 151012422 is 224210151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 151012395 and 151012404.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30783 + ... + 35349.

It is an arithmetic number, because the mean of its divisors is an integer number (7482384).

Almost surely, 2^151012422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151012422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179577216).

151012422 is an abundant number, since it is smaller than the sum of its proper divisors (208142010).

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

151012422 is a wasteful number, since it uses less digits than its factorization.

151012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 151012422 is about 12288.7111610616. The cubic root of 151012422 is about 532.5220039839.

Adding to 151012422 its reverse (224210151), we get a palindrome (375222573).

The spelling of 151012422 in words is "one hundred fifty-one million, twelve thousand, four hundred twenty-two".