140078045 has 8 divisors (see below), whose sum is σ = 177981624. Its totient is φ = 105470464.

The previous prime is 140078023. The next prime is 140078053. The reversal of 140078045 is 540870041.

It can be written as a sum of positive squares in 4 ways, for example, as 29365561 + 110712484 = 5419^2 + 10522^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140078045 - 2¹⁸ = 139815901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140077999 and 140078017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823904 + ... + 824073.

It is an arithmetic number, because the mean of its divisors is an integer number (22247703).

Almost surely, 2^140078045 is an apocalyptic number.

It is an amenable number.

140078045 is a deficient number, since it is larger than the sum of its proper divisors (37903579).

140078045 is a wasteful number, since it uses less digits than its factorization.

140078045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647999.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 140078045 is about 11835.4571098881. The cubic root of 140078045 is about 519.3458799284.

The spelling of 140078045 in words is "one hundred forty million, seventy-eight thousand, forty-five".