1245545434 has 8 divisors (see below), whose sum is σ = 2135220768. Its totient is φ = 533805180.

The previous prime is 1245545423. The next prime is 1245545453. The reversal of 1245545434 is 4345455421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1245545393 and 1245545402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44483752 + ... + 44483779.

It is an arithmetic number, because the mean of its divisors is an integer number (266902596).

Almost surely, 2^1245545434 is an apocalyptic number.

1245545434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1245545434 is a deficient number, since it is larger than the sum of its proper divisors (889675334).

1245545434 is an equidigital number, since it uses as much as digits as its factorization.

1245545434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88967540.

The product of its digits is 192000, while the sum is 37.

The square root of 1245545434 is about 35292.2857576553. The cubic root of 1245545434 is about 1075.9362124355.

The spelling of 1245545434 in words is "one billion, two hundred forty-five million, five hundred forty-five thousand, four hundred thirty-four".