3151354645 has 4 divisors (see below), whose sum is σ = 3781625580. Its totient is φ = 2521083712.

The previous prime is 3151354643. The next prime is 3151354673. The reversal of 3151354645 is 5464531513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5464531513 = 7 ⋅780647359.

It can be written as a sum of positive squares in 2 ways, for example, as 801625969 + 2349728676 = 28313^2 + 48474^2 .

It is a cyclic number.

It is not a de Polignac number, because 3151354645 - 2¹ = 3151354643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3151354643) 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, 315135460 + ... + 315135469.

It is an arithmetic number, because the mean of its divisors is an integer number (945406395).

Almost surely, 2^3151354645 is an apocalyptic number.

It is an amenable number.

3151354645 is a deficient number, since it is larger than the sum of its proper divisors (630270935).

3151354645 is an equidigital number, since it uses as much as digits as its factorization.

3151354645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630270934.

The product of its digits is 108000, while the sum is 37.

The square root of 3151354645 is about 56136.9276412595. The cubic root of 3151354645 is about 1466.1073131888.

The spelling of 3151354645 in words is "three billion, one hundred fifty-one million, three hundred fifty-four thousand, six hundred forty-five".