1465144397 has 8 divisors (see below), whose sum is σ = 1547751360. Its totient is φ = 1383086880.

The previous prime is 1465144391. The next prime is 1465144399. The reversal of 1465144397 is 7934415641.

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 1465144397 - 2¹² = 1465140301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465144391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131873 + ... + 142550.

It is an arithmetic number, because the mean of its divisors is an integer number (193468920).

Almost surely, 2^1465144397 is an apocalyptic number.

It is an amenable number.

1465144397 is a deficient number, since it is larger than the sum of its proper divisors (82606963).

1465144397 is a wasteful number, since it uses less digits than its factorization.

1465144397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274723.

The product of its digits is 362880, while the sum is 44.

The square root of 1465144397 is about 38277.2046654402. The cubic root of 1465144397 is about 1135.7780628911.

The spelling of 1465144397 in words is "one billion, four hundred sixty-five million, one hundred forty-four thousand, three hundred ninety-seven".