145842538930 has 32 divisors (see below), whose sum is σ = 295619839488. Its totient is φ = 51322886400.

The previous prime is 145842538889. The next prime is 145842538931. The reversal of 145842538930 is 39835248541.

It is not an unprimeable number, because it can be changed into a prime (145842538931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21381127 + ... + 21387946.

It is an arithmetic number, because the mean of its divisors is an integer number (9238119984).

Almost surely, 2^145842538930 is an apocalyptic number.

145842538930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145842538930 is an abundant number, since it is smaller than the sum of its proper divisors (149777300558).

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

145842538930 is a wasteful number, since it uses less digits than its factorization.

145842538930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42769122.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 145842538930 in words is "one hundred forty-five billion, eight hundred forty-two million, five hundred thirty-eight thousand, nine hundred thirty".