3645732154 has 8 divisors (see below), whose sum is σ = 5469614208. Its totient is φ = 1822527420.

The previous prime is 3645732151. The next prime is 3645732163. The reversal of 3645732154 is 4512375463.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3645732151) 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, 155652 + ... + 177535.

It is an arithmetic number, because the mean of its divisors is an integer number (683701776).

Almost surely, 2^3645732154 is an apocalyptic number.

3645732154 is a deficient number, since it is larger than the sum of its proper divisors (1823882054).

3645732154 is a wasteful number, since it uses less digits than its factorization.

3645732154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338660.

The product of its digits is 302400, while the sum is 40.

The square root of 3645732154 is about 60379.8985921639. The cubic root of 3645732154 is about 1539.0813875574.

The spelling of 3645732154 in words is "three billion, six hundred forty-five million, seven hundred thirty-two thousand, one hundred fifty-four".