1642034145 has 8 divisors (see below), whose sum is σ = 2627254656. Its totient is φ = 875751536.

The previous prime is 1642034129. The next prime is 1642034153. The reversal of 1642034145 is 5414302461.

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

It is a cyclic number.

It is not a de Polignac number, because 1642034145 - 2⁴ = 1642034129 is a prime.

It is a super-2 number, since 2×1642034145² = 5392552266691762050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54734457 + ... + 54734486.

It is an arithmetic number, because the mean of its divisors is an integer number (328406832).

Almost surely, 2^1642034145 is an apocalyptic number.

1642034145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1642034145 is a deficient number, since it is larger than the sum of its proper divisors (985220511).

1642034145 is a wasteful number, since it uses less digits than its factorization.

1642034145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109468951.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1642034145 is about 40522.0204950345. The cubic root of 1642034145 is about 1179.7610703161.

The spelling of 1642034145 in words is "one billion, six hundred forty-two million, thirty-four thousand, one hundred forty-five".