146690564540 has 24 divisors (see below), whose sum is σ = 331746354240. Its totient is φ = 54162669888.

The previous prime is 146690564491. The next prime is 146690564567. The reversal of 146690564540 is 45465096641.

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 7 ways as a sum of consecutive naturals, for example, 282096980 + ... + 282097499.

It is an arithmetic number, because the mean of its divisors is an integer number (13822764760).

Almost surely, 2^146690564540 is an apocalyptic number.

146690564540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146690564540 is an abundant number, since it is smaller than the sum of its proper divisors (185055789700).

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

146690564540 is a wasteful number, since it uses less digits than its factorization.

146690564540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564194501 (or 564194499 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 146690564540 in words is "one hundred forty-six billion, six hundred ninety million, five hundred sixty-four thousand, five hundred forty".