1146151551 has 4 divisors (see below), whose sum is σ = 1528202072. Its totient is φ = 764101032.

The previous prime is 1146151529. The next prime is 1146151607. The reversal of 1146151551 is 1551516411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1146151551 - 2⁵ = 1146151519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146151451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191025256 + ... + 191025261.

It is an arithmetic number, because the mean of its divisors is an integer number (382050518).

Almost surely, 2^1146151551 is an apocalyptic number.

1146151551 is a deficient number, since it is larger than the sum of its proper divisors (382050521).

1146151551 is an equidigital number, since it uses as much as digits as its factorization.

1146151551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382050520.

The product of its digits is 3000, while the sum is 30.

The square root of 1146151551 is about 33854.8600794627. The cubic root of 1146151551 is about 1046.5195572769.

Adding to 1146151551 its reverse (1551516411), we get a palindrome (2697667962).

The spelling of 1146151551 in words is "one billion, one hundred forty-six million, one hundred fifty-one thousand, five hundred fifty-one".