148703840 has 24 divisors (see below), whose sum is σ = 351313200. Its totient is φ = 59481472.

The previous prime is 148703803. The next prime is 148703857. The reversal of 148703840 is 48307841.

It is a happy number.

It is a super-2 number, since 2×148703840² = 44225664061491200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148703840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464540 + ... + 464859.

It is an arithmetic number, because the mean of its divisors is an integer number (14638050).

Almost surely, 2^148703840 is an apocalyptic number.

148703840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148703840 is an abundant number, since it is smaller than the sum of its proper divisors (202609360).

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

148703840 is an equidigital number, since it uses as much as digits as its factorization.

148703840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929414 (or 929406 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 148703840 is about 12194.4183953151. The cubic root of 148703840 is about 529.7944379044.

The spelling of 148703840 in words is "one hundred forty-eight million, seven hundred three thousand, eight hundred forty".