1254132445 has 8 divisors (see below), whose sum is σ = 1510513920. Its totient is φ = 999602640.

The previous prime is 1254132437. The next prime is 1254132461. The reversal of 1254132445 is 5442314521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1254132445 - 2³ = 1254132437 is a prime.

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, 461425 + ... + 464134.

It is an arithmetic number, because the mean of its divisors is an integer number (188814240).

Almost surely, 2^1254132445 is an apocalyptic number.

It is an amenable number.

1254132445 is a deficient number, since it is larger than the sum of its proper divisors (256381475).

1254132445 is an equidigital number, since it uses as much as digits as its factorization.

1254132445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925835.

The product of its digits is 19200, while the sum is 31.

The square root of 1254132445 is about 35413.7324353138. The cubic root of 1254132445 is about 1078.4031169860.

Adding to 1254132445 its reverse (5442314521), we get a palindrome (6696446966).

The spelling of 1254132445 in words is "one billion, two hundred fifty-four million, one hundred thirty-two thousand, four hundred forty-five".