150420547 has 2 divisors, whose sum is σ = 150420548. Its totient is φ = 150420546.

The previous prime is 150420541. The next prime is 150420551. The reversal of 150420547 is 745024051.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150420547 is a prime.

It is not a weakly prime, because it can be changed into another prime (150420541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75210273 + 75210274.

It is an arithmetic number, because the mean of its divisors is an integer number (75210274).

Almost surely, 2^150420547 is an apocalyptic number.

150420547 is a deficient number, since it is larger than the sum of its proper divisors (1).

150420547 is an equidigital number, since it uses as much as digits as its factorization.

150420547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 150420547 is about 12264.6054563528. The cubic root of 150420547 is about 531.8253744521.

Adding to 150420547 its reverse (745024051), we get a palindrome (895444598).

The spelling of 150420547 in words is "one hundred fifty million, four hundred twenty thousand, five hundred forty-seven".