1452145340 has 12 divisors (see below), whose sum is σ = 3049505256. Its totient is φ = 580858128.

The previous prime is 1452145291. The next prime is 1452145361. The reversal of 1452145340 is 435412541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36303614 + ... + 36303653.

It is an arithmetic number, because the mean of its divisors is an integer number (254125438).

Almost surely, 2^1452145340 is an apocalyptic number.

1452145340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452145340 is an abundant number, since it is smaller than the sum of its proper divisors (1597359916).

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

1452145340 is a wasteful number, since it uses less digits than its factorization.

1452145340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72607276 (or 72607274 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1452145340 is about 38107.0248117063. The cubic root of 1452145340 is about 1132.4091290852.

Adding to 1452145340 its reverse (435412541), we get a palindrome (1887557881).

The spelling of 1452145340 in words is "one billion, four hundred fifty-two million, one hundred forty-five thousand, three hundred forty".