145541484 has 72 divisors (see below), whose sum is σ = 402712128. Its totient is φ = 43953120.

The previous prime is 145541477. The next prime is 145541489. The reversal of 145541484 is 484145541.

145541484 is a `hidden beast` number, since 14 + 554 + 14 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (145541489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184539 + ... + 185325.

It is an arithmetic number, because the mean of its divisors is an integer number (5593224).

Almost surely, 2^145541484 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 145541484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201356064).

145541484 is an abundant number, since it is smaller than the sum of its proper divisors (257170644).

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

145541484 is a wasteful number, since it uses less digits than its factorization.

145541484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1270 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 145541484 is about 12064.0575263880. The cubic root of 145541484 is about 526.0119366758.

The spelling of 145541484 in words is "one hundred forty-five million, five hundred forty-one thousand, four hundred eighty-four".