15450130 has 16 divisors (see below), whose sum is σ = 27855000. Its totient is φ = 6170112.

The previous prime is 15450107. The next prime is 15450137. The reversal of 15450130 is 3105451.

It can be written as a sum of positive squares in 4 ways, for example, as 13373649 + 2076481 = 3657^2 + 1441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15450098 and 15450107.

It is not an unprimeable number, because it can be changed into a prime (15450137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11746 + ... + 12994.

Almost surely, 2^15450130 is an apocalyptic number.

15450130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15450130 is a deficient number, since it is larger than the sum of its proper divisors (12404870).

15450130 is a wasteful number, since it uses less digits than its factorization.

15450130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 15450130 is about 3930.6653380821. The cubic root of 15450130 is about 249.0638589351.

Adding to 15450130 its reverse (3105451), we get a palindrome (18555581).

The spelling of 15450130 in words is "fifteen million, four hundred fifty thousand, one hundred thirty".