148020840 has 96 divisors (see below), whose sum is σ = 524815200. Its totient is φ = 35882880.

The previous prime is 148020839. The next prime is 148020841. The reversal of 148020840 is 48020841.

It is an interprime number because it is at equal distance from previous prime (148020839) and next prime (148020841).

It is not an unprimeable number, because it can be changed into a prime (148020841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14730 + ... + 22649.

It is an arithmetic number, because the mean of its divisors is an integer number (5466825).

Almost surely, 2^148020840 is an apocalyptic number.

148020840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148020840 is an abundant number, since it is smaller than the sum of its proper divisors (376794360).

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

148020840 is a wasteful number, since it uses less digits than its factorization.

148020840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37407 (or 37400 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 148020840 is about 12166.3815491706. The cubic root of 148020840 is about 528.9820737371.

Subtracting from 148020840 its reverse (48020841), we obtain a palindrome (99999999).

The spelling of 148020840 in words is "one hundred forty-eight million, twenty thousand, eight hundred forty".