150138806 has 8 divisors (see below), whose sum is σ = 227201544. Its totient is φ = 74404960.

The previous prime is 150138803. The next prime is 150138809. The reversal of 150138806 is 608831051.

It is an interprime number because it is at equal distance from previous prime (150138803) and next prime (150138809).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×150138806² = 45083322134211272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150138803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331940 + ... + 332391.

It is an arithmetic number, because the mean of its divisors is an integer number (28400193).

Almost surely, 2^150138806 is an apocalyptic number.

150138806 is a deficient number, since it is larger than the sum of its proper divisors (77062738).

150138806 is a wasteful number, since it uses less digits than its factorization.

150138806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664446.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 150138806 is about 12253.1141347822. The cubic root of 150138806 is about 531.4931267137.

Adding to 150138806 its reverse (608831051), we get a palindrome (758969857).

The spelling of 150138806 in words is "one hundred fifty million, one hundred thirty-eight thousand, eight hundred six".