148327640 has 64 divisors (see below), whose sum is σ = 345945600. Its totient is φ = 57197952.

The previous prime is 148327639. The next prime is 148327643. The reversal of 148327640 is 46723841.

148327640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 148327640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148327643) 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, 142241 + ... + 143279.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^148327640 is an apocalyptic number.

148327640 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 148327640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172972800).

148327640 is an abundant number, since it is smaller than the sum of its proper divisors (197617960).

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

148327640 is a wasteful number, since it uses less digits than its factorization.

148327640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 148327640 is about 12178.9835372251. The cubic root of 148327640 is about 529.3472919115.

The spelling of 148327640 in words is "one hundred forty-eight million, three hundred twenty-seven thousand, six hundred forty".