140470345 has 8 divisors (see below), whose sum is σ = 174377160. Its totient is φ = 108501120.

The previous prime is 140470339. The next prime is 140470367. The reversal of 140470345 is 543074041.

It can be written as a sum of positive squares in 4 ways, for example, as 50808384 + 89661961 = 7128^2 + 9469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140470345 - 2⁵ = 140470313 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 484236 + ... + 484525.

It is an arithmetic number, because the mean of its divisors is an integer number (21797145).

Almost surely, 2^140470345 is an apocalyptic number.

It is an amenable number.

140470345 is a deficient number, since it is larger than the sum of its proper divisors (33906815).

140470345 is an equidigital number, since it uses as much as digits as its factorization.

140470345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968795.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 140470345 is about 11852.0186044403. The cubic root of 140470345 is about 519.8302515461.

The spelling of 140470345 in words is "one hundred forty million, four hundred seventy thousand, three hundred forty-five".