145406873630 has 16 divisors (see below), whose sum is σ = 261736714800. Its totient is φ = 58161784512.

The previous prime is 145406873627. The next prime is 145406873663. The reversal of 145406873630 is 36378604541.

145406873630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145406873630² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116146 + ... + 1239594.

It is an arithmetic number, because the mean of its divisors is an integer number (16358544675).

Almost surely, 2^145406873630 is an apocalyptic number.

145406873630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145406873630 is a deficient number, since it is larger than the sum of its proper divisors (116329841170).

145406873630 is a wasteful number, since it uses less digits than its factorization.

145406873630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241243.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 145406873630 in words is "one hundred forty-five billion, four hundred six million, eight hundred seventy-three thousand, six hundred thirty".