145434204 has 30 divisors (see below), whose sum is σ = 380194584. Its totient is φ = 48477960.

The previous prime is 145434203. The next prime is 145434209. The reversal of 145434204 is 402434541.

It is a happy number.

145434204 is a `hidden beast` number, since 1 + 454 + 3 + 4 + 204 = 666.

It is a super-2 number, since 2×145434204² = 42302215386227232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145434203) 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 9 ways as a sum of consecutive naturals, for example, 224112 + ... + 224759.

Almost surely, 2^145434204 is an apocalyptic number.

It is an amenable number.

145434204 is an abundant number, since it is smaller than the sum of its proper divisors (234760380).

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

145434204 is a wasteful number, since it uses less digits than its factorization.

145434204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448887 (or 448876 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 145434204 is about 12059.6104414695. The cubic root of 145434204 is about 525.8826621216.

Adding to 145434204 its reverse (402434541), we get a palindrome (547868745).

The spelling of 145434204 in words is "one hundred forty-five million, four hundred thirty-four thousand, two hundred four".