1453842 has 64 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 419904.

The previous prime is 1453831. The next prime is 1453847. The reversal of 1453842 is 2483541.

It is a super-2 number, since 2×1453842² = 4227313121928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1453847) 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, 13284 + ... + 13392.

It is an arithmetic number, because the mean of its divisors is an integer number (57750).

2^1453842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848000).

1453842 is an abundant number, since it is smaller than the sum of its proper divisors (2242158).

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

1453842 is a wasteful number, since it uses less digits than its factorization.

1453842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 146 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1453842 is about 1205.7537061938. The cubic root of 1453842 is about 113.2849986124.

The spelling of 1453842 in words is "one million, four hundred fifty-three thousand, eight hundred forty-two".