150258421 has 4 divisors (see below), whose sum is σ = 152501152. Its totient is φ = 148015692.

The previous prime is 150258419. The next prime is 150258497. The reversal of 150258421 is 124852051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150258421 - 2¹ = 150258419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150258421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150258721) 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, 1121265 + ... + 1121398.

It is an arithmetic number, because the mean of its divisors is an integer number (38125288).

Almost surely, 2^150258421 is an apocalyptic number.

It is an amenable number.

150258421 is a deficient number, since it is larger than the sum of its proper divisors (2242731).

150258421 is an equidigital number, since it uses as much as digits as its factorization.

150258421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242730.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 150258421 is about 12257.9941670732. The cubic root of 150258421 is about 531.6342354124.

The spelling of 150258421 in words is "one hundred fifty million, two hundred fifty-eight thousand, four hundred twenty-one".