3145749146 has 16 divisors (see below), whose sum is σ = 4993135488. Its totient is φ = 1483297200.

The previous prime is 3145749127. The next prime is 3145749157. The reversal of 3145749146 is 6419475413.

It is a junction number, because it is equal to n+sod(n) for n = 3145749097 and 3145749106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478325 + ... + 484856.

It is an arithmetic number, because the mean of its divisors is an integer number (312070968).

Almost surely, 2^3145749146 is an apocalyptic number.

3145749146 is a deficient number, since it is larger than the sum of its proper divisors (1847386342).

3145749146 is a wasteful number, since it uses less digits than its factorization.

3145749146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963277.

The product of its digits is 362880, while the sum is 44.

The square root of 3145749146 is about 56086.9783996250. The cubic root of 3145749146 is about 1465.2375136271.

The spelling of 3145749146 in words is "three billion, one hundred forty-five million, seven hundred forty-nine thousand, one hundred forty-six".