1645542034 has 8 divisors (see below), whose sum is σ = 2499557760. Its totient is φ = 812356116.

The previous prime is 1645542029. The next prime is 1645542049. The reversal of 1645542034 is 4302455461.

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

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, 5207254 + ... + 5207569.

It is an arithmetic number, because the mean of its divisors is an integer number (312444720).

Almost surely, 2^1645542034 is an apocalyptic number.

1645542034 is a deficient number, since it is larger than the sum of its proper divisors (854015726).

1645542034 is a wasteful number, since it uses less digits than its factorization.

1645542034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414904.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 1645542034 is about 40565.2811404038. The cubic root of 1645542034 is about 1180.6005833822.

Adding to 1645542034 its reverse (4302455461), we get a palindrome (5947997495).

The spelling of 1645542034 in words is "one billion, six hundred forty-five million, five hundred forty-two thousand, thirty-four".