148870640 has 40 divisors (see below), whose sum is σ = 352664928. Its totient is φ = 58423040.

The previous prime is 148870637. The next prime is 148870661. The reversal of 148870640 is 46078841.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 148870594 and 148870603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13316 + ... + 21795.

Almost surely, 2^148870640 is an apocalyptic number.

148870640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148870640 is an abundant number, since it is smaller than the sum of its proper divisors (203794288).

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

148870640 is a wasteful number, since it uses less digits than its factorization.

148870640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35177 (or 35171 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 148870640 is about 12201.2556730855. The cubic root of 148870640 is about 529.9924527227.

The spelling of 148870640 in words is "one hundred forty-eight million, eight hundred seventy thousand, six hundred forty".