1455531465 has 16 divisors (see below), whose sum is σ = 2329623936. Its totient is φ = 776025600.

The previous prime is 1455531433. The next prime is 1455531509. The reversal of 1455531465 is 5641355541.

It is not a de Polignac number, because 1455531465 - 2⁵ = 1455531433 is a prime.

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, 35980 + ... + 64850.

It is an arithmetic number, because the mean of its divisors is an integer number (145601496).

Almost surely, 2^1455531465 is an apocalyptic number.

1455531465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1455531465 is a deficient number, since it is larger than the sum of its proper divisors (874092471).

1455531465 is a wasteful number, since it uses less digits than its factorization.

1455531465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32240.

The product of its digits is 180000, while the sum is 39.

The square root of 1455531465 is about 38151.4280859839. The cubic root of 1455531465 is about 1133.2886329448.

The spelling of 1455531465 in words is "one billion, four hundred fifty-five million, five hundred thirty-one thousand, four hundred sixty-five".