140554550 has 12 divisors (see below), whose sum is σ = 261431556. Its totient is φ = 56221800.

The previous prime is 140554549. The next prime is 140554613. The reversal of 140554550 is 55455041.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1405496 + ... + 1405595.

It is an arithmetic number, because the mean of its divisors is an integer number (21785963).

Almost surely, 2^140554550 is an apocalyptic number.

140554550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140554550 is a deficient number, since it is larger than the sum of its proper divisors (120877006).

140554550 is a wasteful number, since it uses less digits than its factorization.

140554550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811103 (or 2811098 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 140554550 is about 11855.5704206925. The cubic root of 140554550 is about 519.9341016098.

It can be divided in two parts, 1405 and 54550, that added together give a palindrome (55955).

The spelling of 140554550 in words is "one hundred forty million, five hundred fifty-four thousand, five hundred fifty".