150640542 has 96 divisors (see below), whose sum is σ = 366492672. Its totient is φ = 44416512.

The previous prime is 150640489. The next prime is 150640543. The reversal of 150640542 is 245046051.

150640542 is a `hidden beast` number, since 15 + 0 + 640 + 5 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150640543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1099498 + ... + 1099634.

It is an arithmetic number, because the mean of its divisors is an integer number (3817632).

Almost surely, 2^150640542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150640542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183246336).

150640542 is an abundant number, since it is smaller than the sum of its proper divisors (215852130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150640542 is a wasteful number, since it uses less digits than its factorization.

150640542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 150640542 is about 12273.5708740366. The cubic root of 150640542 is about 532.0845188611.

Adding to 150640542 its reverse (245046051), we get a palindrome (395686593).

The spelling of 150640542 in words is "one hundred fifty million, six hundred forty thousand, five hundred forty-two".