148514640 has 80 divisors (see below), whose sum is σ = 484641600. Its totient is φ = 37518336.

The previous prime is 148514617. The next prime is 148514651. The reversal of 148514640 is 46415841.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11725 + ... + 20844.

It is an arithmetic number, because the mean of its divisors is an integer number (6058020).

Almost surely, 2^148514640 is an apocalyptic number.

148514640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148514640 is an abundant number, since it is smaller than the sum of its proper divisors (336126960).

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

148514640 is a wasteful number, since it uses less digits than its factorization.

148514640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32604 (or 32598 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 148514640 is about 12186.6582786259. The cubic root of 148514640 is about 529.5696518482.

It can be divided in two parts, 14851 and 4640, that added together give a palindrome (19491).

The spelling of 148514640 in words is "one hundred forty-eight million, five hundred fourteen thousand, six hundred forty".