1055145331146 has 64 divisors (see below), whose sum is σ = 2182157107200. Its totient is φ = 339777542400.

The previous prime is 1055145331129. The next prime is 1055145331159. The reversal of 1055145331146 is 6411335415501.

It is a super-2 number, since 2×1055145331146² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404423890 + ... + 404426498.

It is an arithmetic number, because the mean of its divisors is an integer number (34096204800).

Almost surely, 2^{1055145331146} is an apocalyptic number.

1055145331146 is an abundant number, since it is smaller than the sum of its proper divisors (1127011776054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055145331146 is a wasteful number, since it uses less digits than its factorization.

1055145331146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 1055145331146 in words is "one trillion, fifty-five billion, one hundred forty-five million, three hundred thirty-one thousand, one hundred forty-six".