154570728100 has 36 divisors (see below), whose sum is σ = 335448957844. Its totient is φ = 61822673280.

The previous prime is 154570728083. The next prime is 154570728121. The reversal of 154570728100 is 1827075451.

It can be written as a sum of positive squares in 6 ways, for example, as 23438385216 + 131132342884 = 153096^2 + 362122^2 .

It is a super-2 number, since 2×154570728100² (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1139494 + ... + 1267906.

Almost surely, 2^154570728100 is an apocalyptic number.

154570728100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154570728100 is an abundant number, since it is smaller than the sum of its proper divisors (180878229744).

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

154570728100 is a wasteful number, since it uses less digits than its factorization.

154570728100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140464 (or 140457 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 154570728100 in words is "one hundred fifty-four billion, five hundred seventy million, seven hundred twenty-eight thousand, one hundred".