145511456 has 24 divisors (see below), whose sum is σ = 289018044. Its totient is φ = 72110080.

The previous prime is 145511453. The next prime is 145511459. The reversal of 145511456 is 654115541.

It is an interprime number because it is at equal distance from previous prime (145511453) and next prime (145511459).

It can be written as a sum of positive squares in 2 ways, for example, as 101687056 + 43824400 = 10084^2 + 6620^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (145511453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16505 + ... + 23736.

Almost surely, 2^145511456 is an apocalyptic number.

145511456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145511456 is a deficient number, since it is larger than the sum of its proper divisors (143506588).

145511456 is a wasteful number, since it uses less digits than its factorization.

145511456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40364 (or 40356 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 145511456 is about 12062.8129389459. The cubic root of 145511456 is about 525.9757587367.

Adding to 145511456 its reverse (654115541), we get a palindrome (799626997).

The spelling of 145511456 in words is "one hundred forty-five million, five hundred eleven thousand, four hundred fifty-six".