145463671608 has 64 divisors (see below), whose sum is σ = 373924560000. Its totient is φ = 47122238592.

The previous prime is 145463671579. The next prime is 145463671627. The reversal of 145463671608 is 806176364541.

It is a Cunningham number, because it is equal to 381397²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667443 + ... + 858141.

It is an arithmetic number, because the mean of its divisors is an integer number (5842571250).

Almost surely, 2^145463671608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145463671608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186962280000).

145463671608 is an abundant number, since it is smaller than the sum of its proper divisors (228460888392).

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

145463671608 is a wasteful number, since it uses less digits than its factorization.

145463671608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191604 (or 191600 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 145463671608 in words is "one hundred forty-five billion, four hundred sixty-three million, six hundred seventy-one thousand, six hundred eight".