145955004 has 96 divisors (see below), whose sum is σ = 379330560. Its totient is φ = 43400448.

The previous prime is 145955003. The next prime is 145955009. The reversal of 145955004 is 400559541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145955003) 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 31 ways as a sum of consecutive naturals, for example, 1049967 + ... + 1050105.

It is an arithmetic number, because the mean of its divisors is an integer number (3951360).

Almost surely, 2^145955004 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 145955004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189665280).

145955004 is an abundant number, since it is smaller than the sum of its proper divisors (233375556).

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

145955004 is a wasteful number, since it uses less digits than its factorization.

145955004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 145955004 is about 12081.1838823850. The cubic root of 145955004 is about 526.5096430532.

The spelling of 145955004 in words is "one hundred forty-five million, nine hundred fifty-five thousand, four".