145232330 has 32 divisors (see below), whose sum is σ = 265052736. Its totient is φ = 57291904.

The previous prime is 145232317. The next prime is 145232357. The reversal of 145232330 is 33232541.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 145232296 and 145232305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310757 + ... + 311223.

It is an arithmetic number, because the mean of its divisors is an integer number (8282898).

Almost surely, 2^145232330 is an apocalyptic number.

145232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145232330 is a deficient number, since it is larger than the sum of its proper divisors (119820406).

145232330 is a wasteful number, since it uses less digits than its factorization.

145232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 145232330 is about 12051.2376957722. The cubic root of 145232330 is about 525.6392274230.

Adding to 145232330 its reverse (33232541), we get a palindrome (178464871).

The spelling of 145232330 in words is "one hundred forty-five million, two hundred thirty-two thousand, three hundred thirty".