151235421000 has 256 divisors, whose sum is σ = 497496729600. Its totient is φ = 38144736000.

The previous prime is 151235420953. The next prime is 151235421061. The reversal of 151235421000 is 124532151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 42349215 + ... + 42352785.

It is an arithmetic number, because the mean of its divisors is an integer number (1943346600).

Almost surely, 2^151235421000 is an apocalyptic number.

151235421000 is a gapful number since it is divisible by the number (10) 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 151235421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248748364800).

151235421000 is an abundant number, since it is smaller than the sum of its proper divisors (346261308600).

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

151235421000 is a wasteful number, since it uses less digits than its factorization.

151235421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 151235421000 its reverse (124532151), we get a palindrome (151359953151).

The spelling of 151235421000 in words is "one hundred fifty-one billion, two hundred thirty-five million, four hundred twenty-one thousand".