140515745 has 16 divisors (see below), whose sum is σ = 172730880. Its totient is φ = 109704000.

The previous prime is 140515723. The next prime is 140515769. The reversal of 140515745 is 547515041.

It is not a de Polignac number, because 140515745 - 2¹⁸ = 140253601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33896 + ... + 37814.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2^140515745 is an apocalyptic number.

It is an amenable number.

140515745 is a deficient number, since it is larger than the sum of its proper divisors (32215135).

140515745 is a wasteful number, since it uses less digits than its factorization.

140515745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 140515745 is about 11853.9337352627. The cubic root of 140515745 is about 519.8862485405.

The spelling of 140515745 in words is "one hundred forty million, five hundred fifteen thousand, seven hundred forty-five".