145242516 has 48 divisors (see below), whose sum is σ = 356840064. Its totient is φ = 45889536.

The previous prime is 145242511. The next prime is 145242551. The reversal of 145242516 is 615242541.

Its product of digits (9600) is a multiple of the sum of its prime factors (4800).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145242511) 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, 28860 + ... + 33516.

It is an arithmetic number, because the mean of its divisors is an integer number (7434168).

Almost surely, 2^145242516 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 145242516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178420032).

145242516 is an abundant number, since it is smaller than the sum of its proper divisors (211597548).

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

145242516 is a wasteful number, since it uses less digits than its factorization.

145242516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800 (or 4798 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 145242516 is about 12051.6603005561. The cubic root of 145242516 is about 525.6515158623.

The spelling of 145242516 in words is "one hundred forty-five million, two hundred forty-two thousand, five hundred sixteen".