150145420025 has 12 divisors (see below), whose sum is σ = 191212222572. Its totient is φ = 116869947840.

The previous prime is 150145419943. The next prime is 150145420031. The reversal of 150145420025 is 520024541051.

It can be written as a sum of positive squares in 6 ways, for example, as 2277484729 + 147867935296 = 47723^2 + 384536^2 .

It is not a de Polignac number, because 150145420025 - 2¹² = 150145415929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 150145420025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81158762 + ... + 81160611.

It is an arithmetic number, because the mean of its divisors is an integer number (15934351881).

Almost surely, 2^150145420025 is an apocalyptic number.

It is an amenable number.

150145420025 is a deficient number, since it is larger than the sum of its proper divisors (41066802547).

150145420025 is a wasteful number, since it uses less digits than its factorization.

150145420025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162319420 (or 162319415 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 150145420025 its reverse (520024541051), we get a palindrome (670169961076).

The spelling of 150145420025 in words is "one hundred fifty billion, one hundred forty-five million, four hundred twenty thousand, twenty-five".