153966845 has 8 divisors (see below), whose sum is σ = 184910040. Its totient is φ = 123073600.

The previous prime is 153966833. The next prime is 153966893. The reversal of 153966845 is 548669351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2627641 + 151339204 = 1621^2 + 12302^2 .

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

It is not a de Polignac number, because 153966845 - 2⁶ = 153966781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153966845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5330 + ... + 18339.

It is an arithmetic number, because the mean of its divisors is an integer number (23113755).

Almost surely, 2^153966845 is an apocalyptic number.

It is an amenable number.

153966845 is a deficient number, since it is larger than the sum of its proper divisors (30943195).

153966845 is a wasteful number, since it uses less digits than its factorization.

153966845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24975.

The product of its digits is 777600, while the sum is 47.

The square root of 153966845 is about 12408.3377210648. The cubic root of 153966845 is about 535.9723720166.

The spelling of 153966845 in words is "one hundred fifty-three million, nine hundred sixty-six thousand, eight hundred forty-five".