155253434 has 8 divisors (see below), whose sum is σ = 266148768. Its totient is φ = 66537180.

The previous prime is 155253431. The next prime is 155253457. The reversal of 155253434 is 434352551.

It is a happy number.

155253434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155253434.

It is not an unprimeable number, because it can be changed into a prime (155253431) 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, 5544752 + ... + 5544779.

It is an arithmetic number, because the mean of its divisors is an integer number (33268596).

Almost surely, 2^155253434 is an apocalyptic number.

155253434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155253434 is a deficient number, since it is larger than the sum of its proper divisors (110895334).

155253434 is a wasteful number, since it uses less digits than its factorization.

155253434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089540.

The product of its digits is 36000, while the sum is 32.

The square root of 155253434 is about 12460.0735952883. The cubic root of 155253434 is about 537.4611433241.

The spelling of 155253434 in words is "one hundred fifty-five million, two hundred fifty-three thousand, four hundred thirty-four".