145012246446 has 32 divisors (see below), whose sum is σ = 290888881920. Its totient is φ = 48193501824.

The previous prime is 145012246441. The next prime is 145012246447. The reversal of 145012246446 is 644642210541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145012246441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4032381 + ... + 4068183.

It is an arithmetic number, because the mean of its divisors is an integer number (9090277560).

Almost surely, 2^145012246446 is an apocalyptic number.

145012246446 is an abundant number, since it is smaller than the sum of its proper divisors (145876635474).

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

145012246446 is a wasteful number, since it uses less digits than its factorization.

145012246446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37800.

The product of its (nonzero) digits is 184320, while the sum is 39.

Adding to 145012246446 its reverse (644642210541), we get a palindrome (789654456987).

The spelling of 145012246446 in words is "one hundred forty-five billion, twelve million, two hundred forty-six thousand, four hundred forty-six".