140153550 has 48 divisors (see below), whose sum is σ = 349113072. Its totient is φ = 37209600.

The previous prime is 140153543. The next prime is 140153609. The reversal of 140153550 is 55351041.

140153550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140153550.

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 23 ways as a sum of consecutive naturals, for example, 34212 + ... + 38088.

It is an arithmetic number, because the mean of its divisors is an integer number (7273189).

Almost surely, 2^140153550 is an apocalyptic number.

140153550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140153550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174556536).

140153550 is an abundant number, since it is smaller than the sum of its proper divisors (208959522).

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

140153550 is a wasteful number, since it uses less digits than its factorization.

140153550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133 (or 4128 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 140153550 is about 11838.6464597943. The cubic root of 140153550 is about 519.4391759363.

The spelling of 140153550 in words is "one hundred forty million, one hundred fifty-three thousand, five hundred fifty".