149025420468 has 144 divisors (see below), whose sum is σ = 417372673536. Its totient is φ = 44624701440.

The previous prime is 149025420463. The next prime is 149025420491. The reversal of 149025420468 is 864024520941.

It is a happy number.

149025420468 is a `hidden beast` number, since 1 + 49 + 0 + 2 + 542 + 0 + 4 + 68 = 666.

149025420468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149025420463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1331155 + ... + 1438757.

It is an arithmetic number, because the mean of its divisors is an integer number (2898421344).

Almost surely, 2^149025420468 is an apocalyptic number.

149025420468 is a gapful number since it is divisible by the number (18) 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 149025420468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208686336768).

149025420468 is an abundant number, since it is smaller than the sum of its proper divisors (268347253068).

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

149025420468 is a wasteful number, since it uses less digits than its factorization.

149025420468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107734 (or 107729 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 149025420468 in words is "one hundred forty-nine billion, twenty-five million, four hundred twenty thousand, four hundred sixty-eight".