145834567617772 has 96 divisors (see below), whose sum is σ = 295457985075456. Its totient is φ = 62247550310400.

The previous prime is 145834567617757. The next prime is 145834567617839. The reversal of 145834567617772 is 277716765438541.

It is a super-2 number, since 2×145834567617772² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145834567617695 and 145834567617704.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939753747 + ... + 939908917.

It is an arithmetic number, because the mean of its divisors is an integer number (3077687344536).

Almost surely, 2^{145834567617772} is an apocalyptic number.

It is an amenable number.

145834567617772 is an abundant number, since it is smaller than the sum of its proper divisors (149623417457684).

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

145834567617772 is a wasteful number, since it uses less digits than its factorization.

145834567617772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158047 (or 158045 counting only the distinct ones).

The product of its digits is 1659571200, while the sum is 73.

The spelling of 145834567617772 in words is "one hundred forty-five trillion, eight hundred thirty-four billion, five hundred sixty-seven million, six hundred seventeen thousand, seven hundred seventy-two".