151321402422 has 160 divisors (see below), whose sum is σ = 390108026880. Its totient is φ = 43523516160.

The previous prime is 151321402399. The next prime is 151321402457. The reversal of 151321402422 is 224204123151.

151321402422 is a `hidden beast` number, since 1 + 513 + 2 + 140 + 2 + 4 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1575463 + ... + 1668749.

It is an arithmetic number, because the mean of its divisors is an integer number (2438175168).

Almost surely, 2^151321402422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151321402422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195054013440).

151321402422 is an abundant number, since it is smaller than the sum of its proper divisors (238786624458).

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

151321402422 is a wasteful number, since it uses less digits than its factorization.

151321402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93368 (or 93359 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 151321402422 its reverse (224204123151), we get a palindrome (375525525573).

The spelling of 151321402422 in words is "one hundred fifty-one billion, three hundred twenty-one million, four hundred two thousand, four hundred twenty-two".