1455031540 has 24 divisors (see below), whose sum is σ = 3060360072. Its totient is φ = 581099520.

The previous prime is 1455031489. The next prime is 1455031561. The reversal of 1455031540 is 451305541.

It can be written as a sum of positive squares in 4 ways, for example, as 82773604 + 1372257936 = 9098^2 + 37044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1455031499 and 1455031508.

It is a congruent number.

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, 43929 + ... + 69568.

It is an arithmetic number, because the mean of its divisors is an integer number (127515003).

Almost surely, 2^1455031540 is an apocalyptic number.

1455031540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455031540 is an abundant number, since it is smaller than the sum of its proper divisors (1605328532).

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

1455031540 is a wasteful number, since it uses less digits than its factorization.

1455031540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114147 (or 114145 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1455031540 is about 38144.8756715761. The cubic root of 1455031540 is about 1133.1588695307.

The spelling of 1455031540 in words is "one billion, four hundred fifty-five million, thirty-one thousand, five hundred forty".