148641840 has 60 divisors (see below), whose sum is σ = 499191264. Its totient is φ = 39637632.

The previous prime is 148641803. The next prime is 148641877. The reversal of 148641840 is 48146841.

148641840 is a `hidden beast` number, since 1 + 4 + 8 + 641 + 8 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (148641803) and next prime (148641877).

It is a tau number, because it is divible by the number of its divisors (60).

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 = 148641795 and 148641804.

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, 102504 + ... + 103943.

Almost surely, 2^148641840 is an apocalyptic number.

148641840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148641840 is an abundant number, since it is smaller than the sum of its proper divisors (350549424).

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

148641840 is a wasteful number, since it uses less digits than its factorization.

148641840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206466 (or 206457 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 148641840 is about 12191.8759836212. The cubic root of 148641840 is about 529.7207975257.

The spelling of 148641840 in words is "one hundred forty-eight million, six hundred forty-one thousand, eight hundred forty".