149499651270025 has 27 divisors (see below), whose sum is σ = 215646236714631. Its totient is φ = 102513753137040.

The previous prime is 149499651270023. The next prime is 149499651270029. The reversal of 149499651270025 is 520072156994941.

The square root of 149499651270025 is 12227005.

It is a perfect power (a square), and thus also a powerful number.

149499651270025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53819874457209 + 95679776812816 = 7336203^2 + 9781604^2 .

It is not a de Polignac number, because 149499651270025 - 2¹ = 149499651270023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149499651270023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 427770504 + ... + 428119846.

Almost surely, 2^{149499651270025} is an apocalyptic number.

149499651270025 is the 12227005-th square number.

149499651270025 is the 6113503-rd centered octagonal number.

It is an amenable number.

149499651270025 is a deficient number, since it is larger than the sum of its proper divisors (66146585444606).

149499651270025 is an frugal number, since it uses more digits than its factorization.

149499651270025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698710 (or 349355 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 149499651270025 in words is "one hundred forty-nine trillion, four hundred ninety-nine billion, six hundred fifty-one million, two hundred seventy thousand, twenty-five".