145404564 has 48 divisors (see below), whose sum is σ = 344332800. Its totient is φ = 47752416.

The previous prime is 145404563. The next prime is 145404569. The reversal of 145404564 is 465404541.

It is a super-2 number, since 2×145404564² = 42284974464060192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145404563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298329 + ... + 298815.

It is an arithmetic number, because the mean of its divisors is an integer number (7173600).

Almost surely, 2^145404564 is an apocalyptic number.

It is an amenable number.

145404564 is an abundant number, since it is smaller than the sum of its proper divisors (198928236).

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

145404564 is a wasteful number, since it uses less digits than its factorization.

145404564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 145404564 is about 12058.3814834330. The cubic root of 145404564 is about 525.8469341183.

The spelling of 145404564 in words is "one hundred forty-five million, four hundred four thousand, five hundred sixty-four".