145234330 has 16 divisors (see below), whose sum is σ = 261584640. Its totient is φ = 58057552.

The previous prime is 145234321. The next prime is 145234333. The reversal of 145234330 is 33432541.

It is a super-2 number, since 2×145234330² = 42186021221097800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145234295 and 145234304.

It is not an unprimeable number, because it can be changed into a prime (145234333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17391 + ... + 24349.

It is an arithmetic number, because the mean of its divisors is an integer number (16349040).

Almost surely, 2^145234330 is an apocalyptic number.

145234330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145234330 is a deficient number, since it is larger than the sum of its proper divisors (116350310).

145234330 is a wasteful number, since it uses less digits than its factorization.

145234330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 145234330 is about 12051.3206745153. The cubic root of 145234330 is about 525.6416402779.

Adding to 145234330 its reverse (33432541), we get a palindrome (178666871).

The spelling of 145234330 in words is "one hundred forty-five million, two hundred thirty-four thousand, three hundred thirty".