1455903481 has 32 divisors (see below), whose sum is σ = 1616630400. Its totient is φ = 1306206720.

The previous prime is 1455903469. The next prime is 1455903509. The reversal of 1455903481 is 1843095541.

It is a cyclic number.

It is not a de Polignac number, because 1455903481 - 2¹⁹ = 1455379193 is a prime.

It is a super-2 number, since 2×1455903481² = 4239309891975834722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455903401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7390275 + ... + 7390471.

It is an arithmetic number, because the mean of its divisors is an integer number (50519700).

Almost surely, 2^1455903481 is an apocalyptic number.

It is an amenable number.

1455903481 is a deficient number, since it is larger than the sum of its proper divisors (160726919).

1455903481 is a wasteful number, since it uses less digits than its factorization.

1455903481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1455903481 is about 38156.3032931651. The cubic root of 1455903481 is about 1133.3851762809.

The spelling of 1455903481 in words is "one billion, four hundred fifty-five million, nine hundred three thousand, four hundred eighty-one".