1154545051 has 16 divisors (see below), whose sum is σ = 1335945600. Its totient is φ = 986731200.

The previous prime is 1154545027. The next prime is 1154545061. The reversal of 1154545051 is 1505454511.

It is a cyclic number.

It is not a de Polignac number, because 1154545051 - 2¹¹ = 1154543003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154545061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6295 + ... + 48463.

It is an arithmetic number, because the mean of its divisors is an integer number (83496600).

Almost surely, 2^1154545051 is an apocalyptic number.

1154545051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1154545051 is a deficient number, since it is larger than the sum of its proper divisors (181400549).

1154545051 is a wasteful number, since it uses less digits than its factorization.

1154545051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42330.

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

The square root of 1154545051 is about 33978.5969545536. The cubic root of 1154545051 is about 1049.0679714214.

Adding to 1154545051 its reverse (1505454511), we get a palindrome (2659999562).

The spelling of 1154545051 in words is "one billion, one hundred fifty-four million, five hundred forty-five thousand, fifty-one".