148983720 has 64 divisors (see below), whose sum is σ = 450947520. Its totient is φ = 39373824.

The previous prime is 148983713. The next prime is 148983721. The reversal of 148983720 is 27389841.

It is a super-2 number, since 2×148983720² = 44392297650076800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148983721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8067 + ... + 19053.

It is an arithmetic number, because the mean of its divisors is an integer number (7046055).

Almost surely, 2^148983720 is an apocalyptic number.

148983720 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 148983720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225473760).

148983720 is an abundant number, since it is smaller than the sum of its proper divisors (301963800).

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

148983720 is a wasteful number, since it uses less digits than its factorization.

148983720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114 (or 11110 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 148983720 is about 12205.8887427340. Note that the first 3 decimals coincide. The cubic root of 148983720 is about 530.1266103121.

The spelling of 148983720 in words is "one hundred forty-eight million, nine hundred eighty-three thousand, seven hundred twenty".