1453342402 has 8 divisors (see below), whose sum is σ = 2180215116. Its totient is φ = 726604032.

The previous prime is 1453342399. The next prime is 1453342421. The reversal of 1453342402 is 2042433541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1151312761 + 302029641 = 33931^2 + 17379^2 .

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

It is a super-2 number, since 2×1453342402² = 4224408274902259208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298 + ... + 53914.

Almost surely, 2^1453342402 is an apocalyptic number.

1453342402 is a deficient number, since it is larger than the sum of its proper divisors (726872714).

1453342402 is a wasteful number, since it uses less digits than its factorization.

1453342402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67172.

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

The square root of 1453342402 is about 38122.7281552619. The cubic root of 1453342402 is about 1132.7202071360.

Adding to 1453342402 its reverse (2042433541), we get a palindrome (3495775943).

The spelling of 1453342402 in words is "one billion, four hundred fifty-three million, three hundred forty-two thousand, four hundred two".