1254532445 has 8 divisors (see below), whose sum is σ = 1513081944. Its totient is φ = 998530624.

The previous prime is 1254532429. The next prime is 1254532463. The reversal of 1254532445 is 5442354521.

It can be written as a sum of positive squares in 4 ways, for example, as 99960004 + 1154572441 = 9998^2 + 33979^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1254532445 - 2⁴ = 1254532429 is a prime.

It is a Duffinian number.

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, 635834 + ... + 637803.

It is an arithmetic number, because the mean of its divisors is an integer number (189135243).

Almost surely, 2^1254532445 is an apocalyptic number.

It is an amenable number.

1254532445 is a deficient number, since it is larger than the sum of its proper divisors (258549499).

1254532445 is a wasteful number, since it uses less digits than its factorization.

1254532445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273839.

The product of its digits is 96000, while the sum is 35.

The square root of 1254532445 is about 35419.3795117870. The cubic root of 1254532445 is about 1078.5177554349.

Adding to 1254532445 its reverse (5442354521), we get a palindrome (6696886966).

The spelling of 1254532445 in words is "one billion, two hundred fifty-four million, five hundred thirty-two thousand, four hundred forty-five".