148673840 has 240 divisors, whose sum is σ = 448846272. Its totient is φ = 45416448.

The previous prime is 148673821. The next prime is 148673849. The reversal of 148673840 is 48376841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148673849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1532672 + ... + 1532768.

Almost surely, 2^148673840 is an apocalyptic number.

148673840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148673840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224423136).

148673840 is an abundant number, since it is smaller than the sum of its proper divisors (300172432).

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

148673840 is a wasteful number, since it uses less digits than its factorization.

148673840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 148673840 is about 12193.1882623045. The cubic root of 148673840 is about 529.7588080195.

The spelling of 148673840 in words is "one hundred forty-eight million, six hundred seventy-three thousand, eight hundred forty".