145514726973 has 24 divisors (see below), whose sum is σ = 262052496576. Its totient is φ = 75592065600.

The previous prime is 145514726963. The next prime is 145514726977. The reversal of 145514726973 is 379627415541.

145514726973 is a `hidden beast` number, since 1 + 45 + 5 + 1 + 472 + 69 + 73 = 666.

It is not a de Polignac number, because 145514726973 - 2¹⁰ = 145514725949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145514726977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104988288 + ... + 104989673.

It is an arithmetic number, because the mean of its divisors is an integer number (10918854024).

Almost surely, 2^145514726973 is an apocalyptic number.

It is an amenable number.

145514726973 is a deficient number, since it is larger than the sum of its proper divisors (116537769603).

145514726973 is a wasteful number, since it uses less digits than its factorization.

145514726973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209977985 (or 209977982 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 145514726973 in words is "one hundred forty-five billion, five hundred fourteen million, seven hundred twenty-six thousand, nine hundred seventy-three".