145073630 has 32 divisors (see below), whose sum is σ = 285090624. Its totient is φ = 52828416.

The previous prime is 145073611. The next prime is 145073639. The reversal of 145073630 is 36370541.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145073593 and 145073602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145073639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (8909082).

Almost surely, 2^145073630 is an apocalyptic number.

145073630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145073630 is a deficient number, since it is larger than the sum of its proper divisors (140016994).

145073630 is a wasteful number, since it uses less digits than its factorization.

145073630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 145073630 is about 12044.6515101102. The cubic root of 145073630 is about 525.4476967248.

The spelling of 145073630 in words is "one hundred forty-five million, seventy-three thousand, six hundred thirty".