146345866542 has 12 divisors (see below), whose sum is σ = 317082710880. Its totient is φ = 48781955508.

The previous prime is 146345866523. The next prime is 146345866571. The reversal of 146345866542 is 245668543641.

146345866542 is a `hidden beast` number, since 1 + 4 + 6 + 3 + 4 + 586 + 6 + 54 + 2 = 666.

It is a super-2 number, since 2×146345866542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4065162942 + ... + 4065162977.

It is an arithmetic number, because the mean of its divisors is an integer number (26423559240).

Almost surely, 2^146345866542 is an apocalyptic number.

146345866542 is an abundant number, since it is smaller than the sum of its proper divisors (170736844338).

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

146345866542 is a wasteful number, since it uses less digits than its factorization.

146345866542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130325927 (or 8130325924 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 146345866542 in words is "one hundred forty-six billion, three hundred forty-five million, eight hundred sixty-six thousand, five hundred forty-two".