145857626 has 8 divisors (see below), whose sum is σ = 224699700. Its totient is φ = 70957728.

The previous prime is 145857611. The next prime is 145857629. The reversal of 145857626 is 626758541.

It can be written as a sum of positive squares in 2 ways, for example, as 127667401 + 18190225 = 11299^2 + 4265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (145857629) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 985451 + ... + 985598.

Almost surely, 2^145857626 is an apocalyptic number.

145857626 is a deficient number, since it is larger than the sum of its proper divisors (78842074).

145857626 is a wasteful number, since it uses less digits than its factorization.

145857626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971088.

The product of its digits is 403200, while the sum is 44.

The square root of 145857626 is about 12077.1530585648. The cubic root of 145857626 is about 526.3925250807.

The spelling of 145857626 in words is "one hundred forty-five million, eight hundred fifty-seven thousand, six hundred twenty-six".