1402571345 has 24 divisors (see below), whose sum is σ = 1977294888. Its totient is φ = 952224000.

The previous prime is 1402571333. The next prime is 1402571371. The reversal of 1402571345 is 5431752041.

It can be written as a sum of positive squares in 4 ways, for example, as 467251456 + 935319889 = 21616^2 + 30583^2 .

It is not a de Polignac number, because 1402571345 - 2⁴ = 1402571329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3596 + ... + 53085.

It is an arithmetic number, because the mean of its divisors is an integer number (82387287).

Almost surely, 2^1402571345 is an apocalyptic number.

It is an amenable number.

1402571345 is a deficient number, since it is larger than the sum of its proper divisors (574723543).

1402571345 is a wasteful number, since it uses less digits than its factorization.

1402571345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56801 (or 56794 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1402571345 is about 37450.9191475990. The cubic root of 1402571345 is about 1119.3734125399.

The spelling of 1402571345 in words is "one billion, four hundred two million, five hundred seventy-one thousand, three hundred forty-five".