1451213152 has 48 divisors (see below), whose sum is σ = 2985867360. Its totient is φ = 692995072.

The previous prime is 1451213123. The next prime is 1451213161. The reversal of 1451213152 is 2513121541.

It is a super-2 number, since 2×1451213152² = 4212039225075550208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700374 + ... + 702442.

It is an arithmetic number, because the mean of its divisors is an integer number (62205570).

Almost surely, 2^1451213152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451213152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492933680).

1451213152 is an abundant number, since it is smaller than the sum of its proper divisors (1534654208).

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

1451213152 is a wasteful number, since it uses less digits than its factorization.

1451213152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055 (or 3047 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1451213152 is about 38094.7916650032. The cubic root of 1451213152 is about 1132.1667648779.

Adding to 1451213152 its reverse (2513121541), we get a palindrome (3964334693).

The spelling of 1451213152 in words is "one billion, four hundred fifty-one million, two hundred thirteen thousand, one hundred fifty-two".