1549148249146 has 16 divisors (see below), whose sum is σ = 2502971647488. Its totient is φ = 716997085200.

The previous prime is 1549148249113. The next prime is 1549148249203. The reversal of 1549148249146 is 6419428419451.

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, 543178185 + ... + 543181036.

It is an arithmetic number, because the mean of its divisors is an integer number (156435727968).

Almost surely, 2^{1549148249146} is an apocalyptic number.

1549148249146 is a deficient number, since it is larger than the sum of its proper divisors (953823398342).

1549148249146 is a wasteful number, since it uses less digits than its factorization.

1549148249146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086359277.

The product of its digits is 9953280, while the sum is 58.

The spelling of 1549148249146 in words is "one trillion, five hundred forty-nine billion, one hundred forty-eight million, two hundred forty-nine thousand, one hundred forty-six".