145711330 has 8 divisors (see below), whose sum is σ = 262280412. Its totient is φ = 58284528.

The previous prime is 145711303. The next prime is 145711343. The reversal of 145711330 is 33117541.

It can be written as a sum of positive squares in 2 ways, for example, as 144264121 + 1447209 = 12011^2 + 1203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145711295 and 145711304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7285557 + ... + 7285576.

Almost surely, 2^145711330 is an apocalyptic number.

145711330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145711330 is a deficient number, since it is larger than the sum of its proper divisors (116569082).

145711330 is a wasteful number, since it uses less digits than its factorization.

145711330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571140.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 145711330 is about 12071.0948136447. The cubic root of 145711330 is about 526.2164746765.

Adding to 145711330 its reverse (33117541), we get a palindrome (178828871).

The spelling of 145711330 in words is "one hundred forty-five million, seven hundred eleven thousand, three hundred thirty".