145606045646 has 8 divisors (see below), whose sum is σ = 218410845120. Its totient is φ = 72802430608.

The previous prime is 145606045631. The next prime is 145606045723. The reversal of 145606045646 is 646540606541.

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

It is a super-2 number, since 2×145606045646² (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 145606045646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139235 + ... + 557313.

It is an arithmetic number, because the mean of its divisors is an integer number (27301355640).

Almost surely, 2^145606045646 is an apocalyptic number.

145606045646 is a deficient number, since it is larger than the sum of its proper divisors (72804799474).

145606045646 is a wasteful number, since it uses less digits than its factorization.

145606045646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592218.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 145606045646 in words is "one hundred forty-five billion, six hundred six million, forty-five thousand, six hundred forty-six".