1455065540 has 24 divisors (see below), whose sum is σ = 3063845400. Its totient is φ = 580462848.

The previous prime is 1455065533. The next prime is 1455065561. The reversal of 1455065540 is 455605541.

It can be written as a sum of positive squares in 4 ways, for example, as 16532356 + 1438533184 = 4066^2 + 37928^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1455065540.

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, 90065 + ... + 104984.

It is an arithmetic number, because the mean of its divisors is an integer number (127660225).

Almost surely, 2^1455065540 is an apocalyptic number.

1455065540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455065540 is an abundant number, since it is smaller than the sum of its proper divisors (1608779860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455065540 is a wasteful number, since it uses less digits than its factorization.

1455065540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195431 (or 195429 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 1455065540 is about 38145.3213382716. The cubic root of 1455065540 is about 1133.1676957085.

The spelling of 1455065540 in words is "one billion, four hundred fifty-five million, sixty-five thousand, five hundred forty".