140245604 has 6 divisors (see below), whose sum is σ = 245429814. Its totient is φ = 70122800.

The previous prime is 140245601. The next prime is 140245621. The reversal of 140245604 is 406542041.

It can be written as a sum of positive squares in only one way, i.e., 130005604 + 10240000 = 11402^2 + 3200^2 .

It is not an unprimeable number, because it can be changed into a prime (140245601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17530697 + ... + 17530704.

It is an arithmetic number, because the mean of its divisors is an integer number (40904969).

Almost surely, 2^140245604 is an apocalyptic number.

It is an amenable number.

140245604 is a deficient number, since it is larger than the sum of its proper divisors (105184210).

140245604 is a wasteful number, since it uses less digits than its factorization.

140245604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35061405 (or 35061403 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 140245604 is about 11842.5336816072. The cubic root of 140245604 is about 519.5528750160.

Adding to 140245604 its reverse (406542041), we get a palindrome (546787645).

The spelling of 140245604 in words is "one hundred forty million, two hundred forty-five thousand, six hundred four".