145520205414 has 8 divisors (see below), whose sum is σ = 291040410840. Its totient is φ = 48506735136.

The previous prime is 145520205407. The next prime is 145520205433. The reversal of 145520205414 is 414502025541.

It is a happy number.

145520205414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

145520205414 is an admirable number.

It is a super-2 number, since 2×145520205414² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12126683779 + ... + 12126683790.

It is an arithmetic number, because the mean of its divisors is an integer number (36380051355).

Almost surely, 2^145520205414 is an apocalyptic number.

145520205414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145520205414 is a wasteful number, since it uses less digits than its factorization.

145520205414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24253367574.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 145520205414 in words is "one hundred forty-five billion, five hundred twenty million, two hundred five thousand, four hundred fourteen".