145576254820 has 24 divisors (see below), whose sum is σ = 315571753728. Its totient is φ = 56352098400.

The previous prime is 145576254797. The next prime is 145576254847. The reversal of 145576254820 is 28452675541.

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, 117399586 + ... + 117400825.

It is an arithmetic number, because the mean of its divisors is an integer number (13148823072).

Almost surely, 2^145576254820 is an apocalyptic number.

145576254820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145576254820 is an abundant number, since it is smaller than the sum of its proper divisors (169995498908).

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

145576254820 is a wasteful number, since it uses less digits than its factorization.

145576254820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234800451 (or 234800449 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 145576254820 in words is "one hundred forty-five billion, five hundred seventy-six million, two hundred fifty-four thousand, eight hundred twenty".