148681240 has 16 divisors (see below), whose sum is σ = 334532880. Its totient is φ = 59472480.

The previous prime is 148681237. The next prime is 148681277. The reversal of 148681240 is 42186841.

148681240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×148681240² = 44212222255875200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148681196 and 148681205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858476 + ... + 1858555.

It is an arithmetic number, because the mean of its divisors is an integer number (20908305).

Almost surely, 2^148681240 is an apocalyptic number.

148681240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148681240 is an abundant number, since it is smaller than the sum of its proper divisors (185851640).

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

148681240 is a wasteful number, since it uses less digits than its factorization.

148681240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717042 (or 3717038 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 148681240 is about 12193.4917066442. The cubic root of 148681240 is about 529.7675971697.

The spelling of 148681240 in words is "one hundred forty-eight million, six hundred eighty-one thousand, two hundred forty".