145756884 has 96 divisors (see below), whose sum is σ = 422281216. Its totient is φ = 38102400.

The previous prime is 145756859. The next prime is 145756889. The reversal of 145756884 is 488657541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145756889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138159 + ... + 139209.

Almost surely, 2^145756884 is an apocalyptic number.

145756884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145756884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211140608).

145756884 is an abundant number, since it is smaller than the sum of its proper divisors (276524332).

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

145756884 is a wasteful number, since it uses less digits than its factorization.

145756884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1203 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 145756884 is about 12072.9815704324. The cubic root of 145756884 is about 526.2713063029.

The spelling of 145756884 in words is "one hundred forty-five million, seven hundred fifty-six thousand, eight hundred eighty-four".