148847640 has 64 divisors (see below), whose sum is σ = 447400800. Its totient is φ = 39616512.

The previous prime is 148847627. The next prime is 148847641. The reversal of 148847640 is 46748841.

It is a happy number.

148847640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 148847592 and 148847601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148847641) 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, 91474 + ... + 93086.

Almost surely, 2^148847640 is an apocalyptic number.

148847640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148847640 is an abundant number, since it is smaller than the sum of its proper divisors (298553160).

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

148847640 is a wasteful number, since it uses less digits than its factorization.

148847640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 148847640 is about 12200.3131107361. The cubic root of 148847640 is about 529.9651573155.

The spelling of 148847640 in words is "one hundred forty-eight million, eight hundred forty-seven thousand, six hundred forty".