140303145 has 16 divisors (see below), whose sum is σ = 224976960. Its totient is φ = 74664384.

The previous prime is 140303143. The next prime is 140303167. The reversal of 140303145 is 541303041.

140303145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140303145 - 2¹ = 140303143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140303143) 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, 3010 + ... + 17019.

It is an arithmetic number, because the mean of its divisors is an integer number (14061060).

Almost surely, 2^140303145 is an apocalyptic number.

140303145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140303145 is a deficient number, since it is larger than the sum of its proper divisors (84673815).

140303145 is a wasteful number, since it uses less digits than its factorization.

140303145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20504.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140303145 is about 11844.9628534664. The cubic root of 140303145 is about 519.6239206281.

Adding to 140303145 its reverse (541303041), we get a palindrome (681606186).

The spelling of 140303145 in words is "one hundred forty million, three hundred three thousand, one hundred forty-five".