148994220 has 48 divisors (see below), whose sum is σ = 417973248. Its totient is φ = 39656640.

The previous prime is 148994203. The next prime is 148994243. The reversal of 148994220 is 22499841.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 34375 + ... + 38465.

It is an arithmetic number, because the mean of its divisors is an integer number (8707776).

Almost surely, 2^148994220 is an apocalyptic number.

148994220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148994220 is an abundant number, since it is smaller than the sum of its proper divisors (268979028).

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

148994220 is a wasteful number, since it uses less digits than its factorization.

148994220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 148994220 is about 12206.3188554126. The cubic root of 148994220 is about 530.1390640188.

The spelling of 148994220 in words is "one hundred forty-eight million, nine hundred ninety-four thousand, two hundred twenty".