146544614781 has 16 divisors (see below), whose sum is σ = 196349058048. Its totient is φ = 97218892800.

The previous prime is 146544614753. The next prime is 146544614807. The reversal of 146544614781 is 187416445641.

It is not a de Polignac number, because 146544614781 - 2¹⁴ = 146544598397 is a prime.

It is a super-2 number, since 2×146544614781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146544614681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909540 + ... + 1058466.

It is an arithmetic number, because the mean of its divisors is an integer number (12271816128).

Almost surely, 2^146544614781 is an apocalyptic number.

It is an amenable number.

146544614781 is a deficient number, since it is larger than the sum of its proper divisors (49804443267).

146544614781 is a wasteful number, since it uses less digits than its factorization.

146544614781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150532.

The product of its digits is 2580480, while the sum is 51.

The spelling of 146544614781 in words is "one hundred forty-six billion, five hundred forty-four million, six hundred fourteen thousand, seven hundred eighty-one".