145279134025 has 9 divisors (see below), whose sum is σ = 180148489383. Its totient is φ = 116221782600.

The previous prime is 145279134023. The next prime is 145279134029. The reversal of 145279134025 is 520431972541.

The square root of 145279134025 is 381155.

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

145279134025 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., 52300488249 + 92978645776 = 228693^2 + 304924^2 .

It is not a de Polignac number, because 145279134025 - 2¹ = 145279134023 is a prime.

It is a super-2 number, since 2×145279134025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145279134023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1867660 + ... + 1943890.

Almost surely, 2^145279134025 is an apocalyptic number.

145279134025 is the 381155-th square number.

145279134025 is the 190578-th centered octagonal number.

It is an amenable number.

145279134025 is a deficient number, since it is larger than the sum of its proper divisors (34869355358).

145279134025 is an frugal number, since it uses more digits than its factorization.

145279134025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152472 (or 76236 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 145279134025 in words is "one hundred forty-five billion, two hundred seventy-nine million, one hundred thirty-four thousand, twenty-five".