801622545 has 16 divisors (see below), whose sum is σ = 1290280320. Its totient is φ = 424970624.

The previous prime is 801622543. The next prime is 801622561. The reversal of 801622545 is 545226108.

It is a cyclic number.

It is not a de Polignac number, because 801622545 - 2¹ = 801622543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801622541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157500 + ... + 162509.

It is an arithmetic number, because the mean of its divisors is an integer number (80642520).

Almost surely, 2^801622545 is an apocalyptic number.

It is an amenable number.

801622545 is a deficient number, since it is larger than the sum of its proper divisors (488657775).

801622545 is a wasteful number, since it uses less digits than its factorization.

801622545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320184.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 801622545 is about 28312.9395330121. The cubic root of 801622545 is about 928.9449418014.

The spelling of 801622545 in words is "eight hundred one million, six hundred twenty-two thousand, five hundred forty-five".