140352145 has 16 divisors (see below), whose sum is σ = 178698240. Its totient is φ = 105525504.

The previous prime is 140352139. The next prime is 140352151. The reversal of 140352145 is 541253041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140352139) and next prime (140352151).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140352145 is a prime.

It is a super-2 number, since 2×140352145² = 39397449212202050, which contains 22 as substring.

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, 6249 + ... + 17881.

It is an arithmetic number, because the mean of its divisors is an integer number (11168640).

Almost surely, 2^140352145 is an apocalyptic number.

It is an amenable number.

140352145 is a deficient number, since it is larger than the sum of its proper divisors (38346095).

140352145 is a wasteful number, since it uses less digits than its factorization.

140352145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11784.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 140352145 is about 11847.0310626756. The cubic root of 140352145 is about 519.6844053939.

The spelling of 140352145 in words is "one hundred forty million, three hundred fifty-two thousand, one hundred forty-five".