1453040234 has 8 divisors (see below), whose sum is σ = 2181698148. Its totient is φ = 725807520.

The previous prime is 1453040231. The next prime is 1453040263. The reversal of 1453040234 is 4320403541.

It can be written as a sum of positive squares in 2 ways, for example, as 1365524209 + 87516025 = 36953^2 + 9355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453040234² = 4222651843245549512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453040231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353747 + ... + 357830.

Almost surely, 2^1453040234 is an apocalyptic number.

1453040234 is a deficient number, since it is larger than the sum of its proper divisors (728657914).

1453040234 is a wasteful number, since it uses less digits than its factorization.

1453040234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712600.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1453040234 is about 38118.7648540715. The cubic root of 1453040234 is about 1132.6416994783.

Adding to 1453040234 its reverse (4320403541), we get a palindrome (5773443775).

The spelling of 1453040234 in words is "one billion, four hundred fifty-three million, forty thousand, two hundred thirty-four".