145346804 has 48 divisors (see below), whose sum is σ = 283545360. Its totient is φ = 64880640.

The previous prime is 145346791. The next prime is 145346833. The reversal of 145346804 is 408643541.

It can be written as a sum of positive squares in 8 ways, for example, as 8410000 + 136936804 = 2900^2 + 11702^2 .

It is a super-2 number, since 2×145346804² = 42251386866028832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 102452 + ... + 103860.

It is an arithmetic number, because the mean of its divisors is an integer number (5907195).

Almost surely, 2^145346804 is an apocalyptic number.

It is an amenable number.

145346804 is a deficient number, since it is larger than the sum of its proper divisors (138198556).

145346804 is a wasteful number, since it uses less digits than its factorization.

145346804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 145346804 is about 12055.9862309145. The cubic root of 145346804 is about 525.7772963648. Note that the first 3 decimals are identical.

The spelling of 145346804 in words is "one hundred forty-five million, three hundred forty-six thousand, eight hundred four".