150220251 has 20 divisors (see below), whose sum is σ = 236216200. Its totient is φ = 94874976.

The previous prime is 150220249. The next prime is 150220253. The reversal of 150220251 is 152022051.

It is an interprime number because it is at equal distance from previous prime (150220249) and next prime (150220253).

It is not a de Polignac number, because 150220251 - 2¹ = 150220249 is a prime.

It is a super-2 number, since 2×150220251² = 45132247621006002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150220253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47266 + ... + 50343.

It is an arithmetic number, because the mean of its divisors is an integer number (11810810).

Almost surely, 2^150220251 is an apocalyptic number.

150220251 is a deficient number, since it is larger than the sum of its proper divisors (85995949).

150220251 is an equidigital number, since it uses as much as digits as its factorization.

150220251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97640 (or 97631 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 150220251 is about 12256.4371250376. The cubic root of 150220251 is about 531.5892147581.

The spelling of 150220251 in words is "one hundred fifty million, two hundred twenty thousand, two hundred fifty-one".