150199474 has 4 divisors (see below), whose sum is σ = 225299214. Its totient is φ = 75099736.

The previous prime is 150199459. The next prime is 150199477. The reversal of 150199474 is 474991051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474991051 = 19 ⋅24999529.

It can be written as a sum of positive squares in only one way, i.e., 108014449 + 42185025 = 10393^2 + 6495^2 .

It is not an unprimeable number, because it can be changed into a prime (150199477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37549867 + ... + 37549870.

Almost surely, 2^150199474 is an apocalyptic number.

150199474 is a deficient number, since it is larger than the sum of its proper divisors (75099740).

150199474 is an equidigital number, since it uses as much as digits as its factorization.

150199474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75099739.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 150199474 is about 12255.5895003056. The cubic root of 150199474 is about 531.5647055496.

The spelling of 150199474 in words is "one hundred fifty million, one hundred ninety-nine thousand, four hundred seventy-four".