1045412155 has 16 divisors (see below), whose sum is σ = 1309258080. Its totient is φ = 800332288.

The previous prime is 1045412131. The next prime is 1045412177. The reversal of 1045412155 is 5512145401.

It is a cyclic number.

It is not a de Polignac number, because 1045412155 - 2²¹ = 1043315003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15517 + ... + 48286.

It is an arithmetic number, because the mean of its divisors is an integer number (81828630).

Almost surely, 2^1045412155 is an apocalyptic number.

1045412155 is a deficient number, since it is larger than the sum of its proper divisors (263845925).

1045412155 is a wasteful number, since it uses less digits than its factorization.

1045412155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63950.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1045412155 is about 32332.8340081719. The cubic root of 1045412155 is about 1014.9138561655.

Adding to 1045412155 its reverse (5512145401), we get a palindrome (6557557556).

The spelling of 1045412155 in words is "one billion, forty-five million, four hundred twelve thousand, one hundred fifty-five".