140455552 has 64 divisors (see below), whose sum is σ = 293955840. Its totient is φ = 66769920.

The previous prime is 140455531. The next prime is 140455559. The reversal of 140455552 is 255554041.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (140455559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222277 + ... + 222907.

It is an arithmetic number, because the mean of its divisors is an integer number (4593060).

Almost surely, 2^140455552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140455552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146977920).

140455552 is an abundant number, since it is smaller than the sum of its proper divisors (153500288).

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

140455552 is an equidigital number, since it uses as much as digits as its factorization.

140455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 140455552 is about 11851.3945171022. The cubic root of 140455552 is about 519.8120030471.

The spelling of 140455552 in words is "one hundred forty million, four hundred fifty-five thousand, five hundred fifty-two".