155253118 has 4 divisors (see below), whose sum is σ = 232879680. Its totient is φ = 77626558.

The previous prime is 155253107. The next prime is 155253143. The reversal of 155253118 is 811352551.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155253118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38813278 + ... + 38813281.

It is an arithmetic number, because the mean of its divisors is an integer number (58219920).

Almost surely, 2^155253118 is an apocalyptic number.

155253118 is a deficient number, since it is larger than the sum of its proper divisors (77626562).

155253118 is an equidigital number, since it uses as much as digits as its factorization.

155253118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77626561.

The product of its digits is 6000, while the sum is 31.

The square root of 155253118 is about 12460.0609147789. The cubic root of 155253118 is about 537.4607786777.

The spelling of 155253118 in words is "one hundred fifty-five million, two hundred fifty-three thousand, one hundred eighteen".