148890984 has 128 divisors (see below), whose sum is σ = 421632000. Its totient is φ = 43792320.

The previous prime is 148890979. The next prime is 148891003. The reversal of 148890984 is 489098841.

It is a congruent number.

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, 1884657 + ... + 1884735.

It is an arithmetic number, because the mean of its divisors is an integer number (3294000).

Almost surely, 2^148890984 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 148890984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210816000).

148890984 is an abundant number, since it is smaller than the sum of its proper divisors (272741016).

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

148890984 is a wasteful number, since it uses less digits than its factorization.

148890984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 148890984 is about 12202.0893292911. The cubic root of 148890984 is about 530.0165937608.

The spelling of 148890984 in words is "one hundred forty-eight million, eight hundred ninety thousand, nine hundred eighty-four".