145672040667772 has 12 divisors (see below), whose sum is σ = 255045698621896. Its totient is φ = 72801841061520.

The previous prime is 145672040667731. The next prime is 145672040667889. The reversal of 145672040667772 is 277766040276541.

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, 8544808503 + ... + 8544825550.

Almost surely, 2^{145672040667772} is an apocalyptic number.

It is an amenable number.

145672040667772 is a deficient number, since it is larger than the sum of its proper divisors (109373657954124).

145672040667772 is a wasteful number, since it uses less digits than its factorization.

145672040667772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089636188 (or 17089636186 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 64.

The spelling of 145672040667772 in words is "one hundred forty-five trillion, six hundred seventy-two billion, forty million, six hundred sixty-seven thousand, seven hundred seventy-two".