148473540 has 48 divisors (see below), whose sum is σ = 461919360. Its totient is φ = 39592800.

The previous prime is 148473527. The next prime is 148473551. The reversal of 148473540 is 45374841.

148473540 is a `hidden beast` number, since 1 + 48 + 4 + 73 + 540 = 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 = 148473495 and 148473504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136936 + ... + 138015.

It is an arithmetic number, because the mean of its divisors is an integer number (9623320).

Almost surely, 2^148473540 is an apocalyptic number.

148473540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148473540 is an abundant number, since it is smaller than the sum of its proper divisors (313445820).

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

148473540 is a wasteful number, since it uses less digits than its factorization.

148473540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274969 (or 274961 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 148473540 is about 12184.9718916377. The cubic root of 148473540 is about 529.5207962364.

The spelling of 148473540 in words is "one hundred forty-eight million, four hundred seventy-three thousand, five hundred forty".