1455455140 has 12 divisors (see below), whose sum is σ = 3056455836. Its totient is φ = 582182048.

The previous prime is 1455455123. The next prime is 1455455143. The reversal of 1455455140 is 415545541.

It can be written as a sum of positive squares in 2 ways, for example, as 773618596 + 681836544 = 27814^2 + 26112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1455455096 and 1455455105.

It is not an unprimeable number, because it can be changed into a prime (1455455143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36386359 + ... + 36386398.

It is an arithmetic number, because the mean of its divisors is an integer number (254704653).

Almost surely, 2^1455455140 is an apocalyptic number.

1455455140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455455140 is an abundant number, since it is smaller than the sum of its proper divisors (1601000696).

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

1455455140 is a wasteful number, since it uses less digits than its factorization.

1455455140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72772766 (or 72772764 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 1455455140 is about 38150.4277826606. The cubic root of 1455455140 is about 1133.2688235100.

The spelling of 1455455140 in words is "one billion, four hundred fifty-five million, four hundred fifty-five thousand, one hundred forty".