1440146395 has 8 divisors (see below), whose sum is σ = 1728903456. Its totient is φ = 1151631936.

The previous prime is 1440146341. The next prime is 1440146419. The reversal of 1440146395 is 5936410441.

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 1440146395 - 2¹⁵ = 1440113627 is a prime.

It is a Duffinian 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, 47322 + ... + 71551.

It is an arithmetic number, because the mean of its divisors is an integer number (216112932).

Almost surely, 2^1440146395 is an apocalyptic number.

1440146395 is a deficient number, since it is larger than the sum of its proper divisors (288757061).

1440146395 is a wasteful number, since it uses less digits than its factorization.

1440146395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121301.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1440146395 is about 37949.2607964898. The cubic root of 1440146395 is about 1129.2815008520.

The spelling of 1440146395 in words is "one billion, four hundred forty million, one hundred forty-six thousand, three hundred ninety-five".