1351022645 has 48 divisors (see below), whose sum is σ = 2040940800. Its totient is φ = 839317248.

The previous prime is 1351022557. The next prime is 1351022653. The reversal of 1351022645 is 5462201531.

It is not a de Polignac number, because 1351022645 - 2¹⁰ = 1351021621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288281 + ... + 292929.

It is an arithmetic number, because the mean of its divisors is an integer number (42519600).

Almost surely, 2^1351022645 is an apocalyptic number.

It is an amenable number.

1351022645 is a deficient number, since it is larger than the sum of its proper divisors (689918155).

1351022645 is a wasteful number, since it uses less digits than its factorization.

1351022645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4703 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1351022645 is about 36756.2599430356. The cubic root of 1351022645 is about 1105.4884499988.

The spelling of 1351022645 in words is "one billion, three hundred fifty-one million, twenty-two thousand, six hundred forty-five".