3145551549 has 8 divisors (see below), whose sum is σ = 4793221440. Its totient is φ = 1797458016.

The previous prime is 3145551533. The next prime is 3145551551. The reversal of 3145551549 is 9451555413.

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

It is not a de Polignac number, because 3145551549 - 2⁴ = 3145551533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3145551549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145551589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74894064 + ... + 74894105.

It is an arithmetic number, because the mean of its divisors is an integer number (599152680).

Almost surely, 2^3145551549 is an apocalyptic number.

It is an amenable number.

3145551549 is a deficient number, since it is larger than the sum of its proper divisors (1647669891).

3145551549 is a wasteful number, since it uses less digits than its factorization.

3145551549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149788179.

The product of its digits is 270000, while the sum is 42.

The square root of 3145551549 is about 56085.2168490058. The cubic root of 3145551549 is about 1465.2068338551.

The spelling of 3145551549 in words is "three billion, one hundred forty-five million, five hundred fifty-one thousand, five hundred forty-nine".