151451344242 has 240 divisors, whose sum is σ = 395690049216. Its totient is φ = 43171444800.

The previous prime is 151451344241. The next prime is 151451344271. The reversal of 151451344242 is 242443154151.

151451344242 is a `hidden beast` number, since 1 + 514 + 5 + 134 + 4 + 2 + 4 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 151451344197 and 151451344206.

It is not an unprimeable number, because it can be changed into a prime (151451344241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 27498853 + ... + 27504359.

Almost surely, 2^151451344242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151451344242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197845024608).

151451344242 is an abundant number, since it is smaller than the sum of its proper divisors (244238704974).

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

151451344242 is a wasteful number, since it uses less digits than its factorization.

151451344242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627 (or 5607 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 151451344242 its reverse (242443154151), we get a palindrome (393894498393).

The spelling of 151451344242 in words is "one hundred fifty-one billion, four hundred fifty-one million, three hundred forty-four thousand, two hundred forty-two".