1045531545 has 8 divisors (see below), whose sum is σ = 1672850496. Its totient is φ = 557616816.

The previous prime is 1045531537. The next prime is 1045531549. The reversal of 1045531545 is 5451355401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045531545 - 2³ = 1045531537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045531549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34851037 + ... + 34851066.

It is an arithmetic number, because the mean of its divisors is an integer number (209106312).

Almost surely, 2^1045531545 is an apocalyptic number.

1045531545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045531545 is a deficient number, since it is larger than the sum of its proper divisors (627318951).

1045531545 is an equidigital number, since it uses as much as digits as its factorization.

1045531545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69702111.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1045531545 is about 32334.6802210877. The cubic root of 1045531545 is about 1014.9524903547.

Adding to 1045531545 its reverse (5451355401), we get a palindrome (6496886946).

The spelling of 1045531545 in words is "one billion, forty-five million, five hundred thirty-one thousand, five hundred forty-five".