145452404 has 12 divisors (see below), whose sum is σ = 259957824. Its totient is φ = 71178744.

The previous prime is 145452397. The next prime is 145452407. The reversal of 145452404 is 404254541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145452407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386654 + ... + 387029.

It is an arithmetic number, because the mean of its divisors is an integer number (21663152).

Almost surely, 2^145452404 is an apocalyptic number.

It is an amenable number.

145452404 is a deficient number, since it is larger than the sum of its proper divisors (114505420).

145452404 is a wasteful number, since it uses less digits than its factorization.

145452404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773734 (or 773732 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 145452404 is about 12060.3650027684. The cubic root of 145452404 is about 525.9045979637.

The spelling of 145452404 in words is "one hundred forty-five million, four hundred fifty-two thousand, four hundred four".