148298640 has 160 divisors (see below), whose sum is σ = 538465536. Its totient is φ = 33054720.

The previous prime is 148298639. The next prime is 148298669. The reversal of 148298640 is 46892841.

148298640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 148298592 and 148298601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67804 + ... + 69956.

Almost surely, 2^148298640 is an apocalyptic number.

148298640 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 148298640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269232768).

148298640 is an abundant number, since it is smaller than the sum of its proper divisors (390166896).

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

148298640 is a wasteful number, since it uses less digits than its factorization.

148298640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 148298640 is about 12177.7929034780. The cubic root of 148298640 is about 529.3127915490.

The spelling of 148298640 in words is "one hundred forty-eight million, two hundred ninety-eight thousand, six hundred forty".