145812626 has 4 divisors (see below), whose sum is σ = 218718942. Its totient is φ = 72906312.

The previous prime is 145812619. The next prime is 145812649. The reversal of 145812626 is 626218541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144120025 + 1692601 = 12005^2 + 1301^2 .

It is a super-2 number, since 2×145812626² = 42522643802031752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36453155 + ... + 36453158.

Almost surely, 2^145812626 is an apocalyptic number.

145812626 is a deficient number, since it is larger than the sum of its proper divisors (72906316).

145812626 is an equidigital number, since it uses as much as digits as its factorization.

145812626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72906315.

The product of its digits is 23040, while the sum is 35.

The square root of 145812626 is about 12075.2898930005. The cubic root of 145812626 is about 526.3383852990.

The spelling of 145812626 in words is "one hundred forty-five million, eight hundred twelve thousand, six hundred twenty-six".