1045612545 has 64 divisors (see below), whose sum is σ = 1850688000. Its totient is φ = 502261760.

The previous prime is 1045612543. The next prime is 1045612549. The reversal of 1045612545 is 5452165401.

It is not a de Polignac number, because 1045612545 - 2¹ = 1045612543 is a prime.

It is a super-2 number, since 2×1045612545² = 2186611188522754050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1045612543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408931 + ... + 411479.

It is an arithmetic number, because the mean of its divisors is an integer number (28917000).

Almost surely, 2^1045612545 is an apocalyptic number.

1045612545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045612545 is a deficient number, since it is larger than the sum of its proper divisors (805075455).

1045612545 is a wasteful number, since it uses less digits than its factorization.

1045612545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1045612545 is about 32335.9327219736. The cubic root of 1045612545 is about 1014.9786999987.

Adding to 1045612545 its reverse (5452165401), we get a palindrome (6497777946).

The spelling of 1045612545 in words is "one billion, forty-five million, six hundred twelve thousand, five hundred forty-five".