146561548854 has 32 divisors (see below), whose sum is σ = 344051824896. Its totient is φ = 40742978400.

The previous prime is 146561548849. The next prime is 146561548873. The reversal of 146561548854 is 458845165641.

It is a junction number, because it is equal to n+sod(n) for n = 146561548794 and 146561548803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47154672 + ... + 47157779.

It is an arithmetic number, because the mean of its divisors is an integer number (10751619528).

Almost surely, 2^146561548854 is an apocalyptic number.

146561548854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

146561548854 is an abundant number, since it is smaller than the sum of its proper divisors (197490276042).

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

146561548854 is a wasteful number, since it uses less digits than its factorization.

146561548854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94312500.

The product of its digits is 18432000, while the sum is 57.

The spelling of 146561548854 in words is "one hundred forty-six billion, five hundred sixty-one million, five hundred forty-eight thousand, eight hundred fifty-four".