148521340 has 24 divisors (see below), whose sum is σ = 340249392. Its totient is φ = 54007680.

The previous prime is 148521337. The next prime is 148521353. The reversal of 148521340 is 43125841.

It is a super-3 number, since 3×148521340³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148521299 and 148521308.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 337329 + ... + 337768.

It is an arithmetic number, because the mean of its divisors is an integer number (14177058).

Almost surely, 2^148521340 is an apocalyptic number.

148521340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148521340 is an abundant number, since it is smaller than the sum of its proper divisors (191728052).

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

148521340 is a wasteful number, since it uses less digits than its factorization.

148521340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675117 (or 675115 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 148521340 is about 12186.9331663056. The cubic root of 148521340 is about 529.5776152905.

The spelling of 148521340 in words is "one hundred forty-eight million, five hundred twenty-one thousand, three hundred forty".