155014434 has 48 divisors (see below), whose sum is σ = 352190592. Its totient is φ = 49182144.

The previous prime is 155014429. The next prime is 155014471. The reversal of 155014434 is 434410551.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155014398 and 155014407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95659 + ... + 97265.

It is an arithmetic number, because the mean of its divisors is an integer number (7337304).

Almost surely, 2^155014434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155014434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176095296).

155014434 is an abundant number, since it is smaller than the sum of its proper divisors (197176158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155014434 is a wasteful number, since it uses less digits than its factorization.

155014434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 155014434 is about 12450.4792678836. The cubic root of 155014434 is about 537.1852091504.

Adding to 155014434 its reverse (434410551), we get a palindrome (589424985).

The spelling of 155014434 in words is "one hundred fifty-five million, fourteen thousand, four hundred thirty-four".