150220515 has 16 divisors (see below), whose sum is σ = 246216096. Its totient is φ = 78163200.

The previous prime is 150220489. The next prime is 150220529. The reversal of 150220515 is 515022051.

It is not a de Polignac number, because 150220515 - 2¹⁵ = 150187747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150220491 and 150220500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121516 + ... + 122745.

It is an arithmetic number, because the mean of its divisors is an integer number (15388506).

Almost surely, 2^150220515 is an apocalyptic number.

150220515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150220515 is a deficient number, since it is larger than the sum of its proper divisors (95995581).

150220515 is a wasteful number, since it uses less digits than its factorization.

150220515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244310.

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

The square root of 150220515 is about 12256.4478948837. The cubic root of 150220515 is about 531.5895261663.

Adding to 150220515 its reverse (515022051), we get a palindrome (665242566).

The spelling of 150220515 in words is "one hundred fifty million, two hundred twenty thousand, five hundred fifteen".