145635804 has 36 divisors (see below), whose sum is σ = 389791584. Its totient is φ = 45689472.

The previous prime is 145635769. The next prime is 145635827. The reversal of 145635804 is 408536541.

It is a happy number.

145635804 is a `hidden beast` number, since 14 + 5 + 63 + 580 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118372 + ... + 119595.

It is an arithmetic number, because the mean of its divisors is an integer number (10827544).

Almost surely, 2^145635804 is an apocalyptic number.

It is an amenable number.

145635804 is an abundant number, since it is smaller than the sum of its proper divisors (244155780).

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

145635804 is a wasteful number, since it uses less digits than its factorization.

145635804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237994 (or 237989 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 145635804 is about 12067.9660258057. The cubic root of 145635804 is about 526.1255417017.

The spelling of 145635804 in words is "one hundred forty-five million, six hundred thirty-five thousand, eight hundred four".