145553204 has 24 divisors (see below), whose sum is σ = 265061160. Its totient is φ = 69851264.

The previous prime is 145553189. The next prime is 145553209. The reversal of 145553204 is 402355541.

It can be written as a sum of positive squares in 4 ways, for example, as 69689104 + 75864100 = 8348^2 + 8710^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145553209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16442 + ... + 23694.

It is an arithmetic number, because the mean of its divisors is an integer number (11044215).

Almost surely, 2^145553204 is an apocalyptic number.

It is an amenable number.

145553204 is a deficient number, since it is larger than the sum of its proper divisors (119507956).

145553204 is a wasteful number, since it uses less digits than its factorization.

145553204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459 (or 7457 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145553204 is about 12064.5432569990. The cubic root of 145553204 is about 526.0260556616.

The spelling of 145553204 in words is "one hundred forty-five million, five hundred fifty-three thousand, two hundred four".