155044853 has 4 divisors (see below), whose sum is σ = 156787020. Its totient is φ = 153302688.

The previous prime is 155044843. The next prime is 155044867. The reversal of 155044853 is 358440551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10876804 + 144168049 = 3298^2 + 12007^2 .

It is a cyclic number.

It is not a de Polignac number, because 155044853 - 2⁸ = 155044597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155044843) 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, 870950 + ... + 871127.

It is an arithmetic number, because the mean of its divisors is an integer number (39196755).

Almost surely, 2^155044853 is an apocalyptic number.

It is an amenable number.

155044853 is a deficient number, since it is larger than the sum of its proper divisors (1742167).

155044853 is an equidigital number, since it uses as much as digits as its factorization.

155044853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742166.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 155044853 is about 12451.7008075202. The cubic root of 155044853 is about 537.2203447346.

The spelling of 155044853 in words is "one hundred fifty-five million, forty-four thousand, eight hundred fifty-three".