1453194512 has 120 divisors (see below), whose sum is σ = 3564646848. Its totient is φ = 561749760.

The previous prime is 1453194451. The next prime is 1453194563. The reversal of 1453194512 is 2154913541.

It is a super-2 number, since 2×1453194512² = 4223548579413836288, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2127323 + ... + 2128005.

Almost surely, 2^1453194512 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 1453194512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782323424).

1453194512 is an abundant number, since it is smaller than the sum of its proper divisors (2111452336).

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

1453194512 is a wasteful number, since it uses less digits than its factorization.

1453194512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 860 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 1453194512 is about 38120.7884493487. The cubic root of 1453194512 is about 1132.6817845147.

The spelling of 1453194512 in words is "one billion, four hundred fifty-three million, one hundred ninety-four thousand, five hundred twelve".