150421450 has 12 divisors (see below), whose sum is σ = 279783990. Its totient is φ = 60168560.

The previous prime is 150421429. The next prime is 150421459. The reversal of 150421450 is 54124051.

It can be written as a sum of positive squares in 3 ways, for example, as 96648561 + 53772889 = 9831^2 + 7333^2 .

It is a super-2 number, since 2×150421450² = 45253225240205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150421459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1504165 + ... + 1504264.

Almost surely, 2^150421450 is an apocalyptic number.

150421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150421450 is a deficient number, since it is larger than the sum of its proper divisors (129362540).

150421450 is a wasteful number, since it uses less digits than its factorization.

150421450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008441 (or 3008436 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 150421450 is about 12264.6422695487. The cubic root of 150421450 is about 531.8264386625.

The spelling of 150421450 in words is "one hundred fifty million, four hundred twenty-one thousand, four hundred fifty".