1145420151 has 8 divisors (see below), whose sum is σ = 1548148080. Its totient is φ = 753152832.

The previous prime is 1145420123. The next prime is 1145420161. The reversal of 1145420151 is 1510245411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145420151 - 2¹⁰ = 1145419127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145420161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2614896 + ... + 2615333.

It is an arithmetic number, because the mean of its divisors is an integer number (193518510).

Almost surely, 2^1145420151 is an apocalyptic number.

1145420151 is a deficient number, since it is larger than the sum of its proper divisors (402727929).

1145420151 is an equidigital number, since it uses as much as digits as its factorization.

1145420151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230305.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1145420151 is about 33844.0563614943. The cubic root of 1145420151 is about 1046.2969028132.

Adding to 1145420151 its reverse (1510245411), we get a palindrome (2655665562).

The spelling of 1145420151 in words is "one billion, one hundred forty-five million, four hundred twenty thousand, one hundred fifty-one".