148474590 has 64 divisors (see below), whose sum is σ = 390604032. Its totient is φ = 35820800.

The previous prime is 148474589. The next prime is 148474597. The reversal of 148474590 is 95474841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148474597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75925 + ... + 77855.

It is an arithmetic number, because the mean of its divisors is an integer number (6103188).

Almost surely, 2^148474590 is an apocalyptic number.

148474590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148474590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195302016).

148474590 is an abundant number, since it is smaller than the sum of its proper divisors (242129442).

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

148474590 is a wasteful number, since it uses less digits than its factorization.

148474590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 148474590 is about 12185.0149774221. The cubic root of 148474590 is about 529.5220444847.

The spelling of 148474590 in words is "one hundred forty-eight million, four hundred seventy-four thousand, five hundred ninety".