148351640 has 16 divisors (see below), whose sum is σ = 333791280. Its totient is φ = 59340640.

The previous prime is 148351631. The next prime is 148351649. The reversal of 148351640 is 46153841.

148351640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148351631) and next prime (148351649).

It is a junction number, because it is equal to n+sod(n) for n = 148351597 and 148351606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148351649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854356 + ... + 1854435.

It is an arithmetic number, because the mean of its divisors is an integer number (20861955).

Almost surely, 2^148351640 is an apocalyptic number.

148351640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148351640 is an abundant number, since it is smaller than the sum of its proper divisors (185439640).

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

148351640 is a wasteful number, since it uses less digits than its factorization.

148351640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708802 (or 3708798 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 148351640 is about 12179.9688012737. The cubic root of 148351640 is about 529.3758405350.

The spelling of 148351640 in words is "one hundred forty-eight million, three hundred fifty-one thousand, six hundred forty".