1428049745 has 8 divisors (see below), whose sum is σ = 1714227840. Its totient is φ = 1142061040.

The previous prime is 1428049729. The next prime is 1428049757. The reversal of 1428049745 is 5479408241.

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

It is not a de Polignac number, because 1428049745 - 2⁴ = 1428049729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428049696 and 1428049705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30191 + ... + 61380.

It is an arithmetic number, because the mean of its divisors is an integer number (214278480).

Almost surely, 2^1428049745 is an apocalyptic number.

It is an amenable number.

1428049745 is a deficient number, since it is larger than the sum of its proper divisors (286178095).

1428049745 is an equidigital number, since it uses as much as digits as its factorization.

1428049745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94695.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 1428049745 is about 37789.5454457976. The cubic root of 1428049745 is about 1126.1107699151.

The spelling of 1428049745 in words is "one billion, four hundred twenty-eight million, forty-nine thousand, seven hundred forty-five".