140245422 has 16 divisors (see below), whose sum is σ = 295253760. Its totient is φ = 44287992.

The previous prime is 140245409. The next prime is 140245423. The reversal of 140245422 is 224542041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140245392 and 140245401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140245423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614998 + ... + 615225.

It is an arithmetic number, because the mean of its divisors is an integer number (18453360).

Almost surely, 2^140245422 is an apocalyptic number.

140245422 is an abundant number, since it is smaller than the sum of its proper divisors (155008338).

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

140245422 is a wasteful number, since it uses less digits than its factorization.

140245422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230247.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 140245422 is about 11842.5259974382. The cubic root of 140245422 is about 519.5526502706.

Adding to 140245422 its reverse (224542041), we get a palindrome (364787463).

The spelling of 140245422 in words is "one hundred forty million, two hundred forty-five thousand, four hundred twenty-two".