148881420 has 72 divisors (see below), whose sum is σ = 456316224. Its totient is φ = 39287808.

The previous prime is 148881349. The next prime is 148881431. The reversal of 148881420 is 24188841.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13197 + ... + 21723.

Almost surely, 2^148881420 is an apocalyptic number.

148881420 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 148881420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228158112).

148881420 is an abundant number, since it is smaller than the sum of its proper divisors (307434804).

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

148881420 is a wasteful number, since it uses less digits than its factorization.

148881420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639 (or 8634 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 148881420 is about 12201.6974228998. The cubic root of 148881420 is about 530.0052449938.

The spelling of 148881420 in words is "one hundred forty-eight million, eight hundred eighty-one thousand, four hundred twenty".