1045665524 has 12 divisors (see below), whose sum is σ = 1848033348. Its totient is φ = 517656000.

The previous prime is 1045665521. The next prime is 1045665527. The reversal of 1045665524 is 4255665401.

It is an interprime number because it is at equal distance from previous prime (1045665521) and next prime (1045665527).

It can be written as a sum of positive squares in 2 ways, for example, as 571210000 + 474455524 = 23900^2 + 21782^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045665521) 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, 1293737 + ... + 1294544.

It is an arithmetic number, because the mean of its divisors is an integer number (154002779).

Almost surely, 2^1045665524 is an apocalyptic number.

It is an amenable number.

1045665524 is a deficient number, since it is larger than the sum of its proper divisors (802367824).

1045665524 is a wasteful number, since it uses less digits than its factorization.

1045665524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588386 (or 2588384 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 1045665524 is about 32336.7519086256. The cubic root of 1045665524 is about 1014.9958419916.

The spelling of 1045665524 in words is "one billion, forty-five million, six hundred sixty-five thousand, five hundred twenty-four".