145346626 has 8 divisors (see below), whose sum is σ = 218076300. Its totient is φ = 72654528.

The previous prime is 145346623. The next prime is 145346627. The reversal of 145346626 is 626643541.

It can be written as a sum of positive squares in 2 ways, for example, as 128936025 + 16410601 = 11355^2 + 4051^2 .

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

It is a super-2 number, since 2×145346626² = 42251283379167752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145346623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230 + ... + 17566.

Almost surely, 2^145346626 is an apocalyptic number.

145346626 is a deficient number, since it is larger than the sum of its proper divisors (72729674).

145346626 is a wasteful number, since it uses less digits than its factorization.

145346626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18788.

The product of its digits is 103680, while the sum is 37.

The square root of 145346626 is about 12055.9788486875. The cubic root of 145346626 is about 525.7770817325. Note that the first 3 decimals are identical.

The spelling of 145346626 in words is "one hundred forty-five million, three hundred forty-six thousand, six hundred twenty-six".