1453243042 has 16 divisors (see below), whose sum is σ = 2219309280. Its totient is φ = 713501152.

The previous prime is 1453242919. The next prime is 1453243087. The reversal of 1453243042 is 2403423541.

It is a happy number.

It is a super-2 number, since 2×1453243042² = 4223830678242827528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453243042.

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 7 ways as a sum of consecutive naturals, for example, 105993 + ... + 118915.

It is an arithmetic number, because the mean of its divisors is an integer number (138706830).

Almost surely, 2^1453243042 is an apocalyptic number.

1453243042 is a deficient number, since it is larger than the sum of its proper divisors (766066238).

1453243042 is a wasteful number, since it uses less digits than its factorization.

1453243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1453243042 is about 38121.4249733664. The cubic root of 1453243042 is about 1132.6943931583.

Adding to 1453243042 its reverse (2403423541), we get a palindrome (3856666583).

The spelling of 1453243042 in words is "one billion, four hundred fifty-three million, two hundred forty-three thousand, forty-two".