151505154432 has 128 divisors (see below), whose sum is σ = 448767727200. Its totient is φ = 50319083520.

The previous prime is 151505154391. The next prime is 151505154439. The reversal of 151505154432 is 234451505151.

151505154432 is a `hidden beast` number, since 1 + 51 + 50 + 515 + 4 + 43 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151505154439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878182 + ... + 1036442.

Almost surely, 2^151505154432 is an apocalyptic number.

151505154432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151505154432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224383863600).

151505154432 is an abundant number, since it is smaller than the sum of its proper divisors (297262572768).

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

151505154432 is a wasteful number, since it uses less digits than its factorization.

151505154432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158561 (or 158543 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 151505154432 its reverse (234451505151), we get a palindrome (385956659583).

The spelling of 151505154432 in words is "one hundred fifty-one billion, five hundred five million, one hundred fifty-four thousand, four hundred thirty-two".