140351545 has 16 divisors (see below), whose sum is σ = 175823568. Its totient is φ = 107447040.

The previous prime is 140351521. The next prime is 140351597. The reversal of 140351545 is 545153041.

It can be written as a sum of positive squares in 8 ways, for example, as 25775929 + 114575616 = 5077^2 + 10704^2 .

It is not a de Polignac number, because 140351545 - 2⁹ = 140351033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5067 + ... + 17503.

It is an arithmetic number, because the mean of its divisors is an integer number (10988973).

Almost surely, 2^140351545 is an apocalyptic number.

It is an amenable number.

140351545 is a deficient number, since it is larger than the sum of its proper divisors (35472023).

140351545 is a wasteful number, since it uses less digits than its factorization.

140351545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12540.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 140351545 is about 11847.0057398484. The cubic root of 140351545 is about 519.6836648492.

The spelling of 140351545 in words is "one hundred forty million, three hundred fifty-one thousand, five hundred forty-five".