1151045545 has 32 divisors (see below), whose sum is σ = 1508855040. Its totient is φ = 837891840.

The previous prime is 1151045491. The next prime is 1151045551. The reversal of 1151045545 is 5455401511.

It is not a de Polignac number, because 1151045545 - 2⁹ = 1151045033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2496615 + ... + 2497075.

It is an arithmetic number, because the mean of its divisors is an integer number (47151720).

Almost surely, 2^1151045545 is an apocalyptic number.

It is an amenable number.

1151045545 is a deficient number, since it is larger than the sum of its proper divisors (357809495).

1151045545 is a wasteful number, since it uses less digits than its factorization.

1151045545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 1151045545 is about 33927.0621333472. The cubic root of 1151045545 is about 1048.0069661488.

The spelling of 1151045545 in words is "one billion, one hundred fifty-one million, forty-five thousand, five hundred forty-five".