145042688 has 72 divisors (see below), whose sum is σ = 342410880. Its totient is φ = 59996160.

The previous prime is 145042687. The next prime is 145042693. The reversal of 145042688 is 886240541.

It is a happy number.

145042688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145042687) 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, 50573 + ... + 53363.

Almost surely, 2^145042688 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 145042688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171205440).

145042688 is an abundant number, since it is smaller than the sum of its proper divisors (197368192).

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

145042688 is an equidigital number, since it uses as much as digits as its factorization.

145042688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 145042688 is about 12043.3669710758. The cubic root of 145042688 is about 525.4103373998.

The spelling of 145042688 in words is "one hundred forty-five million, forty-two thousand, six hundred eighty-eight".