148446990 has 24 divisors (see below), whose sum is σ = 385962408. Its totient is φ = 39585840.

The previous prime is 148446983. The next prime is 148447001. The reversal of 148446990 is 99644841.

148446990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824616 + ... + 824795.

It is an arithmetic number, because the mean of its divisors is an integer number (16081767).

Almost surely, 2^148446990 is an apocalyptic number.

148446990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148446990 is an abundant number, since it is smaller than the sum of its proper divisors (237515418).

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

148446990 is a wasteful number, since it uses less digits than its factorization.

148446990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649424 (or 1649421 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 148446990 is about 12183.8823861690. The cubic root of 148446990 is about 529.4892314309.

The spelling of 148446990 in words is "one hundred forty-eight million, four hundred forty-six thousand, nine hundred ninety".