145572830 has 32 divisors (see below), whose sum is σ = 283487904. Its totient is φ = 53502336.

The previous prime is 145572827. The next prime is 145572841. The reversal of 145572830 is 38275541.

It is a happy number.

145572830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 27044 + ... + 31976.

It is an arithmetic number, because the mean of its divisors is an integer number (8858997).

Almost surely, 2^145572830 is an apocalyptic number.

145572830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145572830 is a deficient number, since it is larger than the sum of its proper divisors (137915074).

145572830 is a wasteful number, since it uses less digits than its factorization.

145572830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 145572830 is about 12065.3566047589. The cubic root of 145572830 is about 526.0496972422.

The spelling of 145572830 in words is "one hundred forty-five million, five hundred seventy-two thousand, eight hundred thirty".