1451152540 has 24 divisors (see below), whose sum is σ = 3048629472. Its totient is φ = 580230720.

The previous prime is 1451152537. The next prime is 1451152541. The reversal of 1451152540 is 452511541.

It is a junction number, because it is equal to n+sod(n) for n = 1451152499 and 1451152508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451152541) 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, 42822 + ... + 68818.

It is an arithmetic number, because the mean of its divisors is an integer number (127026228).

Almost surely, 2^1451152540 is an apocalyptic number.

1451152540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451152540 is an abundant number, since it is smaller than the sum of its proper divisors (1597476932).

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

1451152540 is a wasteful number, since it uses less digits than its factorization.

1451152540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28797 (or 28795 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1451152540 is about 38093.9961148735. The cubic root of 1451152540 is about 1132.1510024686.

The spelling of 1451152540 in words is "one billion, four hundred fifty-one million, one hundred fifty-two thousand, five hundred forty".