149476431984 has 80 divisors (see below), whose sum is σ = 422022691200. Its totient is φ = 45212993280.

The previous prime is 149476431977. The next prime is 149476431991. The reversal of 149476431984 is 489134674941.

It is a happy number.

149476431984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149476431977) and next prime (149476431991).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30042 + ... + 547590.

It is an arithmetic number, because the mean of its divisors is an integer number (5275283640).

Almost surely, 2^149476431984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149476431984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211011345600).

149476431984 is an abundant number, since it is smaller than the sum of its proper divisors (272546259216).

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

149476431984 is a wasteful number, since it uses less digits than its factorization.

149476431984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518118 (or 518112 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 149476431984 in words is "one hundred forty-nine billion, four hundred seventy-six million, four hundred thirty-one thousand, nine hundred eighty-four".