148630540 has 24 divisors (see below), whose sum is σ = 328552560. Its totient is φ = 56323008.

The previous prime is 148630529. The next prime is 148630543. The reversal of 148630540 is 45036841.

It is a happy number.

148630540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (148630543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195187 + ... + 195946.

It is an arithmetic number, because the mean of its divisors is an integer number (13689690).

Almost surely, 2^148630540 is an apocalyptic number.

148630540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148630540 is an abundant number, since it is smaller than the sum of its proper divisors (179922020).

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

148630540 is a wasteful number, since it uses less digits than its factorization.

148630540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391161 (or 391159 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 148630540 is about 12191.4125514642. The cubic root of 148630540 is about 529.7073737667.

The spelling of 148630540 in words is "one hundred forty-eight million, six hundred thirty thousand, five hundred forty".