150421877 has 4 divisors (see below), whose sum is σ = 151972716. Its totient is φ = 148871040.

The previous prime is 150421867. The next prime is 150421903. The reversal of 150421877 is 778124051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778124051 = 17 ⋅45772003.

It can be written as a sum of positive squares in 2 ways, for example, as 20484676 + 129937201 = 4526^2 + 11399^2 .

It is a cyclic number.

It is not a de Polignac number, because 150421877 - 2¹² = 150417781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150421867) 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, 775274 + ... + 775467.

It is an arithmetic number, because the mean of its divisors is an integer number (37993179).

Almost surely, 2^150421877 is an apocalyptic number.

It is an amenable number.

150421877 is a deficient number, since it is larger than the sum of its proper divisors (1550839).

150421877 is an equidigital number, since it uses as much as digits as its factorization.

150421877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550838.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 150421877 is about 12264.6596773005. The cubic root of 150421877 is about 531.8269418923.

The spelling of 150421877 in words is "one hundred fifty million, four hundred twenty-one thousand, eight hundred seventy-seven".