145639216230 has 32 divisors (see below), whose sum is σ = 349769919744. Its totient is φ = 38810924256.

The previous prime is 145639216213. The next prime is 145639216237. The reversal of 145639216230 is 32612936541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145639216237) 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, 1592274 + ... + 1681253.

It is an arithmetic number, because the mean of its divisors is an integer number (10930309992).

Almost surely, 2^145639216230 is an apocalyptic number.

145639216230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145639216230 is an abundant number, since it is smaller than the sum of its proper divisors (204130703514).

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

145639216230 is a wasteful number, since it uses less digits than its factorization.

145639216230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275020.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 145639216230 in words is "one hundred forty-five billion, six hundred thirty-nine million, two hundred sixteen thousand, two hundred thirty".