1254145453 has 16 divisors (see below), whose sum is σ = 1377734400. Its totient is φ = 1132185600.

The previous prime is 1254145441. The next prime is 1254145457. The reversal of 1254145453 is 3545414521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254145453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254145457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338001 + ... + 1338937.

It is an arithmetic number, because the mean of its divisors is an integer number (86108400).

Almost surely, 2^1254145453 is an apocalyptic number.

It is an amenable number.

1254145453 is a deficient number, since it is larger than the sum of its proper divisors (123588947).

1254145453 is a wasteful number, since it uses less digits than its factorization.

1254145453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 48000, while the sum is 34.

The square root of 1254145453 is about 35413.9160924064. The cubic root of 1254145453 is about 1078.4068454118.

Adding to 1254145453 its reverse (3545414521), we get a palindrome (4799559974).

The spelling of 1254145453 in words is "one billion, two hundred fifty-four million, one hundred forty-five thousand, four hundred fifty-three".