145420450531214 has 16 divisors (see below), whose sum is σ = 225455751053568. Its totient is φ = 70305811250232.

The previous prime is 145420450531087. The next prime is 145420450531313. The reversal of 145420450531214 is 412135054024541.

It is a super-2 number, since 2×145420450531214² (a number of 29 digits) contains 22 as substring.

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, 9319426352 + ... + 9319441955.

It is an arithmetic number, because the mean of its divisors is an integer number (14090984440848).

Almost surely, 2^{145420450531214} is an apocalyptic number.

145420450531214 is a deficient number, since it is larger than the sum of its proper divisors (80035300522354).

145420450531214 is a wasteful number, since it uses less digits than its factorization.

145420450531214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18638868439.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 145420450531214 in words is "one hundred forty-five trillion, four hundred twenty billion, four hundred fifty million, five hundred thirty-one thousand, two hundred fourteen".