140448903 has 32 divisors (see below), whose sum is σ = 220846080. Its totient is φ = 77725440.

The previous prime is 140448877. The next prime is 140448907. The reversal of 140448903 is 309844041.

It is a happy number.

It is not a de Polignac number, because 140448903 - 2⁵ = 140448871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140448907) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 134658 + ... + 135696.

It is an arithmetic number, because the mean of its divisors is an integer number (6901440).

Almost surely, 2^140448903 is an apocalyptic number.

140448903 is a deficient number, since it is larger than the sum of its proper divisors (80397177).

140448903 is a wasteful number, since it uses less digits than its factorization.

140448903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 140448903 is about 11851.1139982704. The cubic root of 140448903 is about 519.8038004888.

The spelling of 140448903 in words is "one hundred forty million, four hundred forty-eight thousand, nine hundred three".