140403542445 has 48 divisors (see below), whose sum is σ = 249370758000. Its totient is φ = 73035325440.

The previous prime is 140403542441. The next prime is 140403542483. The reversal of 140403542445 is 544245304041.

140403542445 is a `hidden beast` number, since 1 + 4 + 0 + 403 + 5 + 4 + 244 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2327387049 + 138076155396 = 48243^2 + 371586^2 .

It is not a de Polignac number, because 140403542445 - 2² = 140403542441 is a prime.

It is a super-2 number, since 2×140403542445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140403542441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8569221 + ... + 8585589.

It is an arithmetic number, because the mean of its divisors is an integer number (5195224125).

Almost surely, 2^140403542445 is an apocalyptic number.

140403542445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140403542445 is a deficient number, since it is larger than the sum of its proper divisors (108967215555).

140403542445 is a wasteful number, since it uses less digits than its factorization.

140403542445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070 (or 21067 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 140403542445 its reverse (544245304041), we get a palindrome (684648846486).

The spelling of 140403542445 in words is "one hundred forty billion, four hundred three million, five hundred forty-two thousand, four hundred forty-five".