145343605556 has 12 divisors (see below), whose sum is σ = 257933723040. Its totient is φ = 71648256120.

The previous prime is 145343605541. The next prime is 145343605559. The reversal of 145343605556 is 655506343541.

It is a super-2 number, since 2×145343605556² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145343605556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145343605559) 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, 255886346 + ... + 255886913.

It is an arithmetic number, because the mean of its divisors is an integer number (21494476920).

Almost surely, 2^145343605556 is an apocalyptic number.

It is an amenable number.

145343605556 is a deficient number, since it is larger than the sum of its proper divisors (112590117484).

145343605556 is a wasteful number, since it uses less digits than its factorization.

145343605556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511773334 (or 511773332 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 145343605556 in words is "one hundred forty-five billion, three hundred forty-three million, six hundred five thousand, five hundred fifty-six".