1455408481 has 8 divisors (see below), whose sum is σ = 1481372928. Its totient is φ = 1429596000.

The previous prime is 1455408433. The next prime is 1455408497. The reversal of 1455408481 is 1848045541.

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 1455408481 - 2²¹ = 1453311329 is a prime.

It is a super-2 number, since 2×1455408481² = 4236427693133454722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455405481) 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, 18580 + ... + 57061.

It is an arithmetic number, because the mean of its divisors is an integer number (185171616).

Almost surely, 2^1455408481 is an apocalyptic number.

It is an amenable number.

1455408481 is a deficient number, since it is larger than the sum of its proper divisors (25964447).

1455408481 is an equidigital number, since it uses as much as digits as its factorization.

1455408481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75983.

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 1455408481 is about 38149.8162643020. The cubic root of 1455408481 is about 1133.2567132650.

The spelling of 1455408481 in words is "one billion, four hundred fifty-five million, four hundred eight thousand, four hundred eighty-one".