148809340 has 12 divisors (see below), whose sum is σ = 312499656. Its totient is φ = 59523728.

The previous prime is 148809299. The next prime is 148809343. The reversal of 148809340 is 43908841.

It is a self number, because there is not a number n which added to its sum of digits gives 148809340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148809343) 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, 3720214 + ... + 3720253.

It is an arithmetic number, because the mean of its divisors is an integer number (26041638).

Almost surely, 2^148809340 is an apocalyptic number.

148809340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148809340 is an abundant number, since it is smaller than the sum of its proper divisors (163690316).

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

148809340 is a wasteful number, since it uses less digits than its factorization.

148809340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440476 (or 7440474 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 148809340 is about 12198.7433779058. The cubic root of 148809340 is about 529.9196982884.

The spelling of 148809340 in words is "one hundred forty-eight million, eight hundred nine thousand, three hundred forty".