150342621 has 24 divisors (see below), whose sum is σ = 237293280. Its totient is φ = 84105120.

The previous prime is 150342617. The next prime is 150342623. The reversal of 150342621 is 126243051.

It is not a de Polignac number, because 150342621 - 2² = 150342617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150342591 and 150342600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150342623) 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, 11211 + ... + 20648.

It is an arithmetic number, because the mean of its divisors is an integer number (9887220).

Almost surely, 2^150342621 is an apocalyptic number.

150342621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150342621 is a deficient number, since it is larger than the sum of its proper divisors (86950659).

150342621 is a wasteful number, since it uses less digits than its factorization.

150342621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31897 (or 31886 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 150342621 is about 12261.4281794577. The cubic root of 150342621 is about 531.7335204609.

Adding to 150342621 its reverse (126243051), we get a palindrome (276585672).

The spelling of 150342621 in words is "one hundred fifty million, three hundred forty-two thousand, six hundred twenty-one".