145611752 has 48 divisors (see below), whose sum is σ = 322548480. Its totient is φ = 61089600.

The previous prime is 145611751. The next prime is 145611757. The reversal of 145611752 is 257116541.

It is not an unprimeable number, because it can be changed into a prime (145611751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9977 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (6719760).

Almost surely, 2^145611752 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 145611752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161274240).

145611752 is an abundant number, since it is smaller than the sum of its proper divisors (176936728).

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

145611752 is a wasteful number, since it uses less digits than its factorization.

145611752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9834 (or 9817 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 145611752 is about 12066.9694621309. The cubic root of 145611752 is about 526.0965765987.

The spelling of 145611752 in words is "one hundred forty-five million, six hundred eleven thousand, seven hundred fifty-two".