1455125540 has 96 divisors (see below), whose sum is σ = 3547152000. Its totient is φ = 495544320.

The previous prime is 1455125527. The next prime is 1455125549. The reversal of 1455125540 is 455215541.

It is a junction number, because it is equal to n+sod(n) for n = 1455125497 and 1455125506.

It is not an unprimeable number, because it can be changed into a prime (1455125549) 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, 855611 + ... + 857309.

It is an arithmetic number, because the mean of its divisors is an integer number (36949500).

Almost surely, 2^1455125540 is an apocalyptic number.

1455125540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455125540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1773576000).

1455125540 is an abundant number, since it is smaller than the sum of its proper divisors (2092026460).

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

1455125540 is a wasteful number, since it uses less digits than its factorization.

1455125540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 1455125540 is about 38146.1077962090. The cubic root of 1455125540 is about 1133.1832709811.

Subtracting from 1455125540 its reverse (455215541), we obtain a palindrome (999909999).

The spelling of 1455125540 in words is "one billion, four hundred fifty-five million, one hundred twenty-five thousand, five hundred forty".