145352330 has 16 divisors (see below), whose sum is σ = 262324224. Its totient is φ = 57987600.

The previous prime is 145352323. The next prime is 145352359. The reversal of 145352330 is 33253541.

It is a super-2 number, since 2×145352330² = 42254599672857800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145352330.

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 7 ways as a sum of consecutive naturals, for example, 15146 + ... + 22805.

It is an arithmetic number, because the mean of its divisors is an integer number (16395264).

Almost surely, 2^145352330 is an apocalyptic number.

145352330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145352330 is a deficient number, since it is larger than the sum of its proper divisors (116971894).

145352330 is a wasteful number, since it uses less digits than its factorization.

145352330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38341.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 145352330 is about 12056.2154094890. The cubic root of 145352330 is about 525.7839595283.

The spelling of 145352330 in words is "one hundred forty-five million, three hundred fifty-two thousand, three hundred thirty".