1248545454 has 16 divisors (see below), whose sum is σ = 2689174992. Its totient is φ = 384167808.

The previous prime is 1248545453. The next prime is 1248545471. The reversal of 1248545454 is 4545458421.

It is a happy number.

It is a super-2 number, since 2×1248545454² = 3117731501408132232, which contains 22 as substring.

1248545454 is a modest number, since divided by 545454 gives 1248 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248545453) 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, 8003419 + ... + 8003574.

It is an arithmetic number, because the mean of its divisors is an integer number (168073437).

Almost surely, 2^1248545454 is an apocalyptic number.

1248545454 is an abundant number, since it is smaller than the sum of its proper divisors (1440629538).

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

1248545454 is a wasteful number, since it uses less digits than its factorization.

1248545454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007011.

The product of its digits is 512000, while the sum is 42.

The square root of 1248545454 is about 35334.7626849255. The cubic root of 1248545454 is about 1076.7993529289.

The spelling of 1248545454 in words is "one billion, two hundred forty-eight million, five hundred forty-five thousand, four hundred fifty-four".