140454100 has 72 divisors (see below), whose sum is σ = 322479360. Its totient is φ = 52990080.

The previous prime is 140454091. The next prime is 140454103. The reversal of 140454100 is 1454041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140454103) 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 23 ways as a sum of consecutive naturals, for example, 181314 + ... + 182086.

It is an arithmetic number, because the mean of its divisors is an integer number (4478880).

Almost surely, 2^140454100 is an apocalyptic number.

140454100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140454100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161239680).

140454100 is an abundant number, since it is smaller than the sum of its proper divisors (182025260).

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

140454100 is a wasteful number, since it uses less digits than its factorization.

140454100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140454100 is about 11851.3332583301. Note that the first 3 decimals coincide. The cubic root of 140454100 is about 519.8102118051.

It can be divided in two parts, 14045 and 4100, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 140454100 in words is "one hundred forty million, four hundred fifty-four thousand, one hundred".