140245545 has 16 divisors (see below), whose sum is σ = 244792512. Its totient is φ = 67997760.

The previous prime is 140245507. The next prime is 140245549. The reversal of 140245545 is 545542041.

It is not a de Polignac number, because 140245545 - 2¹⁰ = 140244521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140245549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424822 + ... + 425151.

It is an arithmetic number, because the mean of its divisors is an integer number (15299532).

Almost surely, 2^140245545 is an apocalyptic number.

140245545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140245545 is a deficient number, since it is larger than the sum of its proper divisors (104546967).

140245545 is a wasteful number, since it uses less digits than its factorization.

140245545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849992.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 140245545 is about 11842.5311905859. The cubic root of 140245545 is about 519.5528021590.

Adding to 140245545 its reverse (545542041), we get a palindrome (685787586).

The spelling of 140245545 in words is "one hundred forty million, two hundred forty-five thousand, five hundred forty-five".