154130834025 has 81 divisors (see below), whose sum is σ = 321223271031. Its totient is φ = 70440965280.

The previous prime is 154130833973. The next prime is 154130834027. The reversal of 154130834025 is 520438031451.

The square root of 154130834025 is 392595.

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

154130834025 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 308 + 340 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55487100249 + 98643733776 = 235557^2 + 314076^2 .

It is not a de Polignac number, because 154130834025 - 2²¹ = 154128736873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (154130834027) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 41220606 + ... + 41224344.

Almost surely, 2^154130834025 is an apocalyptic number.

154130834025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154130834025 is the 392595-th square number.

154130834025 is the 196298-th centered octagonal number.

It is an amenable number.

154130834025 is an abundant number, since it is smaller than the sum of its proper divisors (167092437006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154130834025 is an frugal number, since it uses more digits than its factorization.

154130834025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508 (or 3754 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Multiplying 154130834025 by its sum of digits (36), we get a square (5548710024900 = 2355570²).

Adding to 154130834025 its reverse (520438031451), we get a palindrome (674568865476).

The spelling of 154130834025 in words is "one hundred fifty-four billion, one hundred thirty million, eight hundred thirty-four thousand, twenty-five".