1246545453 has 4 divisors (see below), whose sum is σ = 1662060608. Its totient is φ = 831030300.

The previous prime is 1246545437. The next prime is 1246545479. The reversal of 1246545453 is 3545456421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1246545453 - 2⁴ = 1246545437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246545493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207757573 + ... + 207757578.

It is an arithmetic number, because the mean of its divisors is an integer number (415515152).

Almost surely, 2^1246545453 is an apocalyptic number.

It is an amenable number.

1246545453 is a deficient number, since it is larger than the sum of its proper divisors (415515155).

1246545453 is an equidigital number, since it uses as much as digits as its factorization.

1246545453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415515154.

The product of its digits is 288000, while the sum is 39.

The square root of 1246545453 is about 35306.4505862597. The cubic root of 1246545453 is about 1076.2240833288.

The spelling of 1246545453 in words is "one billion, two hundred forty-six million, five hundred forty-five thousand, four hundred fifty-three".