145066672 has 40 divisors (see below), whose sum is σ = 296806400. Its totient is φ = 68496192.

The previous prime is 145066667. The next prime is 145066679. The reversal of 145066672 is 276660541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145066679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132913 + ... + 133999.

It is an arithmetic number, because the mean of its divisors is an integer number (7420160).

Almost surely, 2^145066672 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 145066672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148403200).

145066672 is an abundant number, since it is smaller than the sum of its proper divisors (151739728).

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

145066672 is a wasteful number, since it uses less digits than its factorization.

145066672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 145066672 is about 12044.3626647490. The cubic root of 145066672 is about 525.4392961089.

The spelling of 145066672 in words is "one hundred forty-five million, sixty-six thousand, six hundred seventy-two".