145054332 has 72 divisors (see below), whose sum is σ = 385082880. Its totient is φ = 45977760.

The previous prime is 145054297. The next prime is 145054333. The reversal of 145054332 is 233450541.

145054332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145054296 and 145054305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145054333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64743 + ... + 66945.

Almost surely, 2^145054332 is an apocalyptic number.

145054332 is a gapful number since it is divisible by the number (12) 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 145054332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192541440).

145054332 is an abundant number, since it is smaller than the sum of its proper divisors (240028548).

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

145054332 is a wasteful number, since it uses less digits than its factorization.

145054332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 145054332 is about 12043.8503810036. The cubic root of 145054332 is about 525.4243969716.

The spelling of 145054332 in words is "one hundred forty-five million, fifty-four thousand, three hundred thirty-two".