140441145 has 16 divisors (see below), whose sum is σ = 241991232. Its totient is φ = 69140160.

The previous prime is 140441137. The next prime is 140441173. The reversal of 140441145 is 541144041.

It is not a de Polignac number, because 140441145 - 2³ = 140441137 is a prime.

It is a super-2 number, since 2×140441145² = 39447430417822050, which contains 22 as substring.

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, 359911 + ... + 360300.

It is an arithmetic number, because the mean of its divisors is an integer number (15124452).

Almost surely, 2^140441145 is an apocalyptic number.

140441145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140441145 is a deficient number, since it is larger than the sum of its proper divisors (101550087).

140441145 is a wasteful number, since it uses less digits than its factorization.

140441145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720232.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 140441145 is about 11850.7866827481. The cubic root of 140441145 is about 519.7942294822.

Adding to 140441145 its reverse (541144041), we get a palindrome (681585186).

The spelling of 140441145 in words is "one hundred forty million, four hundred forty-one thousand, one hundred forty-five".