3141248945 has 4 divisors (see below), whose sum is σ = 3769498740. Its totient is φ = 2512999152.

The previous prime is 3141248921. The next prime is 3141248963. The reversal of 3141248945 is 5498421413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1517803681 + 1623445264 = 38959^2 + 40292^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141248945 - 2⁸ = 3141248689 is a prime.

It is a super-2 number, since 2×3141248945² = 19734889868927226050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314124890 + ... + 314124899.

It is an arithmetic number, because the mean of its divisors is an integer number (942374685).

Almost surely, 2^3141248945 is an apocalyptic number.

It is an amenable number.

3141248945 is a deficient number, since it is larger than the sum of its proper divisors (628249795).

3141248945 is an equidigital number, since it uses as much as digits as its factorization.

3141248945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628249794.

The product of its digits is 138240, while the sum is 41.

The square root of 3141248945 is about 56046.8459861927. The cubic root of 3141248945 is about 1464.5384739773.

The spelling of 3141248945 in words is "three billion, one hundred forty-one million, two hundred forty-eight thousand, nine hundred forty-five".