614148640 has 48 divisors (see below), whose sum is σ = 1658204352. Its totient is φ = 210564864.

The previous prime is 614148637. The next prime is 614148643. The reversal of 614148640 is 46841416.

It is an interprime number because it is at equal distance from previous prime (614148637) and next prime (614148643).

It is a junction number, because it is equal to n+sod(n) for n = 614148596 and 614148605.

It is not an unprimeable number, because it can be changed into a prime (614148643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273054 + ... + 275293.

It is an arithmetic number, because the mean of its divisors is an integer number (34545924).

Almost surely, 2^614148640 is an apocalyptic number.

It is an amenable number.

614148640 is an abundant number, since it is smaller than the sum of its proper divisors (1044055712).

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

614148640 is a wasteful number, since it uses less digits than its factorization.

614148640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548369 (or 548361 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 614148640 is about 24782.0225163323. The cubic root of 614148640 is about 850.0109064345.

The spelling of 614148640 in words is "six hundred fourteen million, one hundred forty-eight thousand, six hundred forty".