145355055512 has 16 divisors (see below), whose sum is σ = 276274164840. Its totient is φ = 71681944896.

The previous prime is 145355055499. The next prime is 145355055523. The reversal of 145355055512 is 215550553541.

It is a super-2 number, since 2×145355055512² (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 145355055512.

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, 124447238 + ... + 124448405.

Almost surely, 2^145355055512 is an apocalyptic number.

It is an amenable number.

145355055512 is a deficient number, since it is larger than the sum of its proper divisors (130919109328).

145355055512 is a wasteful number, since it uses less digits than its factorization.

145355055512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248895722 (or 248895718 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 145355055512 in words is "one hundred forty-five billion, three hundred fifty-five million, fifty-five thousand, five hundred twelve".