145230621214 has 16 divisors (see below), whose sum is σ = 262070294400. Its totient is φ = 58965816024.

The previous prime is 145230621187. The next prime is 145230621229. The reversal of 145230621214 is 412126032541.

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, 272989624 + ... + 272990155.

It is an arithmetic number, because the mean of its divisors is an integer number (16379393400).

Almost surely, 2^145230621214 is an apocalyptic number.

145230621214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145230621214 is a deficient number, since it is larger than the sum of its proper divisors (116839673186).

145230621214 is a wasteful number, since it uses less digits than its factorization.

145230621214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545979807.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 145230621214 its reverse (412126032541), we get a palindrome (557356653755).

The spelling of 145230621214 in words is "one hundred forty-five billion, two hundred thirty million, six hundred twenty-one thousand, two hundred fourteen".