1453491792 has 120 divisors (see below), whose sum is σ = 4420232960. Its totient is φ = 444165120.

The previous prime is 1453491791. The next prime is 1453491797. The reversal of 1453491792 is 2971943541.

1453491792 is a `hidden beast` number, since 14 + 534 + 9 + 17 + 92 = 666.

It is a super-2 number, since 2×1453491792² = 4225276778822742528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453491791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76248 + ... + 93384.

Almost surely, 2^1453491792 is an apocalyptic number.

1453491792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453491792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2210116480).

1453491792 is an abundant number, since it is smaller than the sum of its proper divisors (2966741168).

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

1453491792 is a wasteful number, since it uses less digits than its factorization.

1453491792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17201 (or 17192 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1453491792 is about 38124.6874347843. The cubic root of 1453491792 is about 1132.7590168190.

The spelling of 1453491792 in words is "one billion, four hundred fifty-three million, four hundred ninety-one thousand, seven hundred ninety-two".