148823640 has 192 divisors, whose sum is σ = 561038400. Its totient is φ = 33509376.

The previous prime is 148823617. The next prime is 148823659. The reversal of 148823640 is 46328841.

148823640 is a `hidden beast` number, since 1 + 4 + 8 + 8 + 2 + 3 + 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 = 148823595 and 148823604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183556 + ... + 184364.

It is an arithmetic number, because the mean of its divisors is an integer number (2922075).

Almost surely, 2^148823640 is an apocalyptic number.

148823640 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 148823640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280519200).

148823640 is an abundant number, since it is smaller than the sum of its proper divisors (412214760).

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

148823640 is a wasteful number, since it uses less digits than its factorization.

148823640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 148823640 is about 12199.3294897711. The cubic root of 148823640 is about 529.9366721534.

The spelling of 148823640 in words is "one hundred forty-eight million, eight hundred twenty-three thousand, six hundred forty".