145145626 has 12 divisors (see below), whose sum is σ = 231279678. Its totient is φ = 68303552.

The previous prime is 145145621. The next prime is 145145629. The reversal of 145145626 is 626541541.

It can be written as a sum of positive squares in 3 ways, for example, as 139216401 + 5929225 = 11799^2 + 2435^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 145145591 and 145145600.

It is not an unprimeable number, because it can be changed into a prime (145145621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124981 + ... + 126136.

Almost surely, 2^145145626 is an apocalyptic number.

145145626 is a deficient number, since it is larger than the sum of its proper divisors (86134052).

145145626 is a wasteful number, since it uses less digits than its factorization.

145145626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251153 (or 251136 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 145145626 is about 12047.6398518548. The cubic root of 145145626 is about 525.5346040331.

The spelling of 145145626 in words is "one hundred forty-five million, one hundred forty-five thousand, six hundred twenty-six".