145446331400 has 48 divisors (see below), whose sum is σ = 338236989840. Its totient is φ = 58165755200.

The previous prime is 145446331337. The next prime is 145446331403. The reversal of 145446331400 is 4133644541.

It is not an unprimeable number, because it can be changed into a prime (145446331403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 860687 + ... + 1015713.

It is an arithmetic number, because the mean of its divisors is an integer number (7046603955).

Almost surely, 2^145446331400 is an apocalyptic number.

145446331400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145446331400 is an abundant number, since it is smaller than the sum of its proper divisors (192790658440).

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

145446331400 is a wasteful number, since it uses less digits than its factorization.

145446331400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159734 (or 159725 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 145446331400 its reverse (4133644541), we get a palindrome (149579975941).

The spelling of 145446331400 in words is "one hundred forty-five billion, four hundred forty-six million, three hundred thirty-one thousand, four hundred".