145117524 has 48 divisors (see below), whose sum is σ = 344792448. Its totient is φ = 47497728.

The previous prime is 145117523. The next prime is 145117547. The reversal of 145117524 is 425711541.

It is a junction number, because it is equal to n+sod(n) for n = 145117491 and 145117500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145117523) 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 15 ways as a sum of consecutive naturals, for example, 168904 + ... + 169760.

It is an arithmetic number, because the mean of its divisors is an integer number (7183176).

Almost surely, 2^145117524 is an apocalyptic number.

It is an amenable number.

145117524 is an abundant number, since it is smaller than the sum of its proper divisors (199674924).

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

145117524 is a wasteful number, since it uses less digits than its factorization.

145117524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1102 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 145117524 is about 12046.4735088739. The cubic root of 145117524 is about 525.5006851636.

The spelling of 145117524 in words is "one hundred forty-five million, one hundred seventeen thousand, five hundred twenty-four".