145130134820 has 24 divisors (see below), whose sum is σ = 332479945728. Its totient is φ = 52774594400.

The previous prime is 145130134813. The next prime is 145130134859. The reversal of 145130134820 is 28431031541.

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, 329840996 + ... + 329841435.

It is an arithmetic number, because the mean of its divisors is an integer number (13853331072).

Almost surely, 2^145130134820 is an apocalyptic number.

145130134820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145130134820 is an abundant number, since it is smaller than the sum of its proper divisors (187349810908).

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

145130134820 is a wasteful number, since it uses less digits than its factorization.

145130134820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659682451 (or 659682449 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 145130134820 in words is "one hundred forty-five billion, one hundred thirty million, one hundred thirty-four thousand, eight hundred twenty".