145232606646 has 24 divisors (see below), whose sum is σ = 314795565864. Its totient is φ = 48391650720.

The previous prime is 145232606639. The next prime is 145232606711. The reversal of 145232606646 is 646606232541.

It is a happy number.

145232606646 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 32 + 606 + 6 + 4 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1554876 + ... + 1645631.

It is an arithmetic number, because the mean of its divisors is an integer number (13116481911).

Almost surely, 2^145232606646 is an apocalyptic number.

145232606646 is an abundant number, since it is smaller than the sum of its proper divisors (169562959218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145232606646 is a wasteful number, since it uses less digits than its factorization.

145232606646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203036 (or 3203033 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 145232606646 in words is "one hundred forty-five billion, two hundred thirty-two million, six hundred six thousand, six hundred forty-six".