140145100 has 36 divisors (see below), whose sum is σ = 304733968. Its totient is φ = 55944000.

The previous prime is 140145067. The next prime is 140145101. The reversal of 140145100 is 1541041.

It is not an unprimeable number, because it can be changed into a prime (140145101) 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 11 ways as a sum of consecutive naturals, for example, 61990 + ... + 64210.

Almost surely, 2^140145100 is an apocalyptic number.

140145100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140145100 is an abundant number, since it is smaller than the sum of its proper divisors (164588868).

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

140145100 is a wasteful number, since it uses less digits than its factorization.

140145100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 140145100 is about 11838.2895724002. The cubic root of 140145100 is about 519.4287365545.

Adding to 140145100 its reverse (1541041), we get a palindrome (141686141).

The spelling of 140145100 in words is "one hundred forty million, one hundred forty-five thousand, one hundred".