148288440 has 64 divisors (see below), whose sum is σ = 445824000. Its totient is φ = 39458432.

The previous prime is 148288373. The next prime is 148288447. The reversal of 148288440 is 44882841.

It is a super-2 number, since 2×148288440² = 43978922875267200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148288447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70849 + ... + 72911.

It is an arithmetic number, because the mean of its divisors is an integer number (6966000).

Almost surely, 2^148288440 is an apocalyptic number.

148288440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148288440 is an abundant number, since it is smaller than the sum of its proper divisors (297535560).

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

148288440 is a wasteful number, since it uses less digits than its factorization.

148288440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 148288440 is about 12177.3741011763. The cubic root of 148288440 is about 529.3006558696.

The spelling of 148288440 in words is "one hundred forty-eight million, two hundred eighty-eight thousand, four hundred forty".