154222215150425 has 6 divisors (see below), whose sum is σ = 191235546786558. Its totient is φ = 123377772120320.

The previous prime is 154222215150401. The next prime is 154222215150503. The reversal of 154222215150425 is 524051512222451.

It can be written as a sum of positive squares in 3 ways, for example, as 27898372535881 + 126323842614544 = 5281891^2 + 11239388^2 .

It is not a de Polignac number, because 154222215150425 - 2¹⁴ = 154222215134041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3084444302984 + ... + 3084444303033.

It is an arithmetic number, because the mean of its divisors is an integer number (31872591131093).

Almost surely, 2^{154222215150425} is an apocalyptic number.

It is an amenable number.

154222215150425 is a deficient number, since it is larger than the sum of its proper divisors (37013331636133).

154222215150425 is an equidigital number, since it uses as much as digits as its factorization.

154222215150425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168888606027 (or 6168888606022 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 41.

Adding to 154222215150425 its reverse (524051512222451), we get a palindrome (678273727372876).

The spelling of 154222215150425 in words is "one hundred fifty-four trillion, two hundred twenty-two billion, two hundred fifteen million, one hundred fifty thousand, four hundred twenty-five".