148355640 has 48 divisors (see below), whose sum is σ = 482157000. Its totient is φ = 39561408.

The previous prime is 148355587. The next prime is 148355657. The reversal of 148355640 is 46553841.

It is a happy number.

148355640 is a `hidden beast` number, since 1 + 4 + 8 + 3 + 5 + 5 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 148355595 and 148355604.

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, 205690 + ... + 206409.

Almost surely, 2^148355640 is an apocalyptic number.

148355640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148355640 is an abundant number, since it is smaller than the sum of its proper divisors (333801360).

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

148355640 is a wasteful number, since it uses less digits than its factorization.

148355640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412116 (or 412109 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 148355640 is about 12180.1330041999. The cubic root of 148355640 is about 529.3805983396.

The spelling of 148355640 in words is "one hundred forty-eight million, three hundred fifty-five thousand, six hundred forty".