15150540 has 24 divisors (see below), whose sum is σ = 42421680. Its totient is φ = 4040128.

The previous prime is 15150539. The next prime is 15150547. The reversal of 15150540 is 4505151.

It is not an unprimeable number, because it can be changed into a prime (15150547) 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, 126195 + ... + 126314.

It is an arithmetic number, because the mean of its divisors is an integer number (1767570).

Almost surely, 2^15150540 is an apocalyptic number.

15150540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15150540 is an abundant number, since it is smaller than the sum of its proper divisors (27271140).

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

15150540 is a wasteful number, since it uses less digits than its factorization.

15150540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252521 (or 252519 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 15150540 is about 3892.3694583120. The cubic root of 15150540 is about 247.4434928645.

Adding to 15150540 its reverse (4505151), we get a palindrome (19655691).

The spelling of 15150540 in words is "fifteen million, one hundred fifty thousand, five hundred forty".