1453243015 has 16 divisors (see below), whose sum is σ = 1994112000. Its totient is φ = 995963040.

The previous prime is 1453242919. The next prime is 1453243087. The reversal of 1453243015 is 5103423541.

It is not a de Polignac number, because 1453243015 - 2⁹ = 1453242503 is a prime.

It is a super-2 number, since 2×1453243015² = 4223830521292580450, 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 15 ways as a sum of consecutive naturals, for example, 59580 + ... + 80350.

It is an arithmetic number, because the mean of its divisors is an integer number (124632000).

Almost surely, 2^1453243015 is an apocalyptic number.

1453243015 is a deficient number, since it is larger than the sum of its proper divisors (540868985).

1453243015 is a wasteful number, since it uses less digits than its factorization.

1453243015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22782.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1453243015 is about 38121.4246192348. The cubic root of 1453243015 is about 1132.6943861435.

Adding to 1453243015 its reverse (5103423541), we get a palindrome (6556666556).

The spelling of 1453243015 in words is "one billion, four hundred fifty-three million, two hundred forty-three thousand, fifteen".