15091230 has 128 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 3047040.

The previous prime is 15091229. The next prime is 15091231. The reversal of 15091230 is 3219051.

15091230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15091229) and next prime (15091231).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 15091197 and 15091206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15091231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108501 + ... + 108639.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^15091230 is an apocalyptic number.

15091230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15091230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23224320).

15091230 is an abundant number, since it is smaller than the sum of its proper divisors (31357410).

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

15091230 is a wasteful number, since it uses less digits than its factorization.

15091230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 15091230 is about 3884.7432347583. The cubic root of 15091230 is about 247.1201806057.

The spelling of 15091230 in words is "fifteen million, ninety-one thousand, two hundred thirty".