1001451154 has 16 divisors (see below), whose sum is σ = 1646512416. Its totient is φ = 453045600.

The previous prime is 1001451151. The next prime is 1001451167. The reversal of 1001451154 is 4511541001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1001451151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103227 + ... + 112510.

It is an arithmetic number, because the mean of its divisors is an integer number (102907026).

Almost surely, 2^1001451154 is an apocalyptic number.

1001451154 is a deficient number, since it is larger than the sum of its proper divisors (645061262).

1001451154 is a wasteful number, since it uses less digits than its factorization.

1001451154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215961.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1001451154 is about 31645.7130430016. The cubic root of 1001451154 is about 1000.4834842054.

Adding to 1001451154 its reverse (4511541001), we get a palindrome (5512992155).

The spelling of 1001451154 in words is "one billion, one million, four hundred fifty-one thousand, one hundred fifty-four".