154020660 has 48 divisors (see below), whose sum is σ = 432432000. Its totient is φ = 40960384.

The previous prime is 154020649. The next prime is 154020661. The reversal of 154020660 is 66020451.

It is a self number, because there is not a number n which added to its sum of digits gives 154020660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154020661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20041 + ... + 26639.

It is an arithmetic number, because the mean of its divisors is an integer number (9009000).

Almost surely, 2^154020660 is an apocalyptic number.

154020660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154020660 is an abundant number, since it is smaller than the sum of its proper divisors (278411340).

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

154020660 is a wasteful number, since it uses less digits than its factorization.

154020660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000 (or 6998 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 154020660 is about 12410.5060331962. The cubic root of 154020660 is about 536.0348096870.

The spelling of 154020660 in words is "one hundred fifty-four million, twenty thousand, six hundred sixty".