140654448 has 80 divisors (see below), whose sum is σ = 440448000. Its totient is φ = 42621120.

The previous prime is 140654417. The next prime is 140654461. The reversal of 140654448 is 844456041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 10048 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (5505600).

Almost surely, 2^140654448 is an apocalyptic number.

140654448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140654448 is an abundant number, since it is smaller than the sum of its proper divisors (299793552).

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

140654448 is a wasteful number, since it uses less digits than its factorization.

140654448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29627 (or 29615 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 140654448 is about 11859.7827973366. The cubic root of 140654448 is about 520.0572520789.

The spelling of 140654448 in words is "one hundred forty million, six hundred fifty-four thousand, four hundred forty-eight".