1245794432 has 32 divisors (see below), whose sum is σ = 2612485200. Its totient is φ = 590112000.

The previous prime is 1245794423. The next prime is 1245794437. The reversal of 1245794432 is 2344975421.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1245794432.

It is not an unprimeable number, because it can be changed into a prime (1245794437) 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, 253694 + ... + 258557.

Almost surely, 2^1245794432 is an apocalyptic number.

It is an amenable number.

1245794432 is an abundant number, since it is smaller than the sum of its proper divisors (1366690768).

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

1245794432 is an equidigital number, since it uses as much as digits as its factorization.

1245794432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512284 (or 512272 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 1245794432 is about 35295.8132361333. The cubic root of 1245794432 is about 1076.0079047525.

The spelling of 1245794432 in words is "one billion, two hundred forty-five million, seven hundred ninety-four thousand, four hundred thirty-two".