150402213 has 24 divisors (see below), whose sum is σ = 247724568. Its totient is φ = 87109632.

The previous prime is 150402167. The next prime is 150402223. The reversal of 150402213 is 312204051.

150402213 is a `hidden beast` number, since 1 + 50 + 402 + 213 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7193124 + 143209089 = 2682^2 + 11967^2 .

It is not a de Polignac number, because 150402213 - 2²² = 146207909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150402223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35820 + ... + 39797.

It is an arithmetic number, because the mean of its divisors is an integer number (10321857).

Almost surely, 2^150402213 is an apocalyptic number.

150402213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

150402213 is a deficient number, since it is larger than the sum of its proper divisors (97322355).

150402213 is a wasteful number, since it uses less digits than its factorization.

150402213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75653 (or 75650 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 150402213 is about 12263.8579981994. The cubic root of 150402213 is about 531.8037664054.

Adding to 150402213 its reverse (312204051), we get a palindrome (462606264).

The spelling of 150402213 in words is "one hundred fifty million, four hundred two thousand, two hundred thirteen".