155030694 has 64 divisors (see below), whose sum is σ = 394813440. Its totient is φ = 39473280.

The previous prime is 155030683. The next prime is 155030713. The reversal of 155030694 is 496030551.

It is a happy number.

155030694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10939 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^155030694 is an apocalyptic number.

155030694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155030694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197406720).

155030694 is an abundant number, since it is smaller than the sum of its proper divisors (239782746).

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

155030694 is a wasteful number, since it uses less digits than its factorization.

155030694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 155030694 is about 12451.1322376722. The cubic root of 155030694 is about 537.2039908984.

The spelling of 155030694 in words is "one hundred fifty-five million, thirty thousand, six hundred ninety-four".