145413531220254 has 32 divisors (see below), whose sum is σ = 324644162730624. Its totient is φ = 43039945814880.

The previous prime is 145413531220201. The next prime is 145413531220271. The reversal of 145413531220254 is 452022135314541.

145413531220254 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145413531220254² (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 15 ways as a sum of consecutive naturals, for example, 25619012529 + ... + 25619018204.

It is an arithmetic number, because the mean of its divisors is an integer number (10145130085332).

Almost surely, 2^{145413531220254} is an apocalyptic number.

145413531220254 is an abundant number, since it is smaller than the sum of its proper divisors (179230631510370).

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

145413531220254 is a wasteful number, since it uses less digits than its factorization.

145413531220254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51238030792.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 145413531220254 its reverse (452022135314541), we get a palindrome (597435666534795).

The spelling of 145413531220254 in words is "one hundred forty-five trillion, four hundred thirteen billion, five hundred thirty-one million, two hundred twenty thousand, two hundred fifty-four".