145450144446 has 16 divisors (see below), whose sum is σ = 291096728208. Its totient is φ = 48450641600.

The previous prime is 145450144423. The next prime is 145450144447. The reversal of 145450144446 is 644441054541.

It is a junction number, because it is equal to n+sod(n) for n = 145450144398 and 145450144407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145450144447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175345 + ... + 8193116.

It is an arithmetic number, because the mean of its divisors is an integer number (18193545513).

Almost surely, 2^145450144446 is an apocalyptic number.

145450144446 is an abundant number, since it is smaller than the sum of its proper divisors (145646583762).

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

145450144446 is a wasteful number, since it uses less digits than its factorization.

145450144446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16369947.

The product of its (nonzero) digits is 614400, while the sum is 42.

Adding to 145450144446 its reverse (644441054541), we get a palindrome (789891198987).

The spelling of 145450144446 in words is "one hundred forty-five billion, four hundred fifty million, one hundred forty-four thousand, four hundred forty-six".