149254745420 has 96 divisors (see below), whose sum is σ = 344293286400. Its totient is φ = 53900480000.

The previous prime is 149254745383. The next prime is 149254745447. The reversal of 149254745420 is 24547452941.

149254745420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19820216 + ... + 19827744.

It is an arithmetic number, because the mean of its divisors is an integer number (3586388400).

Almost surely, 2^149254745420 is an apocalyptic number.

149254745420 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 149254745420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172146643200).

149254745420 is an abundant number, since it is smaller than the sum of its proper divisors (195038540980).

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

149254745420 is a wasteful number, since it uses less digits than its factorization.

149254745420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 149254745420 in words is "one hundred forty-nine billion, two hundred fifty-four million, seven hundred forty-five thousand, four hundred twenty".