1451151155 has 16 divisors (see below), whose sum is σ = 1808326080. Its totient is φ = 1116597888.

The previous prime is 1451151151. The next prime is 1451151173. The reversal of 1451151155 is 5511511541.

It is a cyclic number.

It is not a de Polignac number, because 1451151155 - 2² = 1451151151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1451151151) 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, 19109 + ... + 57161.

It is an arithmetic number, because the mean of its divisors is an integer number (113020380).

Almost surely, 2^1451151155 is an apocalyptic number.

1451151155 is a deficient number, since it is larger than the sum of its proper divisors (357174925).

1451151155 is a wasteful number, since it uses less digits than its factorization.

1451151155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38350.

The product of its digits is 2500, while the sum is 29.

The square root of 1451151155 is about 38093.9779361515. The cubic root of 1451151155 is about 1132.1506422883.

Adding to 1451151155 its reverse (5511511541), we get a palindrome (6962662696).

The spelling of 1451151155 in words is "one billion, four hundred fifty-one million, one hundred fifty-one thousand, one hundred fifty-five".