145158231881630 has 16 divisors (see below), whose sum is σ = 285037982604144. Its totient is φ = 52784811593280.

The previous prime is 145158231881629. The next prime is 145158231881671. The reversal of 145158231881630 is 36188132851541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659810144807 + ... + 659810145026.

It is an arithmetic number, because the mean of its divisors is an integer number (17814873912759).

Almost surely, 2^{145158231881630} is an apocalyptic number.

145158231881630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145158231881630 is a deficient number, since it is larger than the sum of its proper divisors (139879750722514).

145158231881630 is a wasteful number, since it uses less digits than its factorization.

145158231881630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319620289851.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 145158231881630 in words is "one hundred forty-five trillion, one hundred fifty-eight billion, two hundred thirty-one million, eight hundred eighty-one thousand, six hundred thirty".