148379640 has 64 divisors (see below), whose sum is σ = 459509760. Its totient is φ = 38290560.

The previous prime is 148379597. The next prime is 148379641. The reversal of 148379640 is 46973841.

148379640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 148379592 and 148379601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148379641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16224 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (7179840).

Almost surely, 2^148379640 is an apocalyptic number.

148379640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148379640 is an abundant number, since it is smaller than the sum of its proper divisors (311130120).

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

148379640 is a wasteful number, since it uses less digits than its factorization.

148379640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39932 (or 39928 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 148379640 is about 12181.1181752744. The cubic root of 148379640 is about 529.4091433712.

The spelling of 148379640 in words is "one hundred forty-eight million, three hundred seventy-nine thousand, six hundred forty".