145625230 has 32 divisors (see below), whose sum is σ = 278147520. Its totient is φ = 54704640.

The previous prime is 145625171. The next prime is 145625287. The reversal of 145625230 is 32526541.

It is a super-2 number, since 2×145625230² = 42413415225105800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 142120 + ... + 143140.

It is an arithmetic number, because the mean of its divisors is an integer number (8692110).

Almost surely, 2^145625230 is an apocalyptic number.

145625230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145625230 is a deficient number, since it is larger than the sum of its proper divisors (132522290).

145625230 is a wasteful number, since it uses less digits than its factorization.

145625230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 145625230 is about 12067.5279158575. The cubic root of 145625230 is about 526.1128081432.

The spelling of 145625230 in words is "one hundred forty-five million, six hundred twenty-five thousand, two hundred thirty".