1451165898 has 64 divisors (see below), whose sum is σ = 3576690432. Its totient is φ = 382233600.

The previous prime is 1451165873. The next prime is 1451165899. The reversal of 1451165898 is 8985611541.

1451165898 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1451165899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654640 + ... + 656852.

It is an arithmetic number, because the mean of its divisors is an integer number (55885788).

Almost surely, 2^1451165898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451165898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788345216).

1451165898 is an abundant number, since it is smaller than the sum of its proper divisors (2125524534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1451165898 is a wasteful number, since it uses less digits than its factorization.

1451165898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439.

The product of its digits is 345600, while the sum is 48.

The square root of 1451165898 is about 38094.1714439361. The cubic root of 1451165898 is about 1132.1544763112.

The spelling of 1451165898 in words is "one billion, four hundred fifty-one million, one hundred sixty-five thousand, eight hundred ninety-eight".