145437716512 has 48 divisors (see below), whose sum is σ = 312393769632. Its totient is φ = 66101022720.

The previous prime is 145437716509. The next prime is 145437716513. The reversal of 145437716512 is 215617734541.

It is a super-2 number, since 2×145437716512² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145437716513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4783663 + ... + 4813969.

It is an arithmetic number, because the mean of its divisors is an integer number (6508203534).

Almost surely, 2^145437716512 is an apocalyptic number.

It is an amenable number.

145437716512 is an abundant number, since it is smaller than the sum of its proper divisors (166956053120).

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

145437716512 is a wasteful number, since it uses less digits than its factorization.

145437716512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43961 (or 43953 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The spelling of 145437716512 in words is "one hundred forty-five billion, four hundred thirty-seven million, seven hundred sixteen thousand, five hundred twelve".