150617729025 has 27 divisors (see below), whose sum is σ = 269783515209. Its totient is φ = 80326350720.

The previous prime is 150617728951. The next prime is 150617729029. The reversal of 150617729025 is 520927716051.

The square root of 150617729025 is 388095.

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

150617729025 is a `hidden beast` number, since 1 + 5 + 0 + 617 + 7 + 2 + 9 + 0 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3888894321 + 146728834704 = 62361^2 + 383052^2 .

It is not a de Polignac number, because 150617729025 - 2²³ = 150609340417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (150617729029) 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, 5808489 + ... + 5834361.

Almost surely, 2^150617729025 is an apocalyptic number.

150617729025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150617729025 is the 388095-th square number.

150617729025 is the 194048-th centered octagonal number.

It is an amenable number.

150617729025 is a deficient number, since it is larger than the sum of its proper divisors (119165786184).

150617729025 is an frugal number, since it uses more digits than its factorization.

150617729025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51762 (or 25881 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 150617729025 in words is "one hundred fifty billion, six hundred seventeen million, seven hundred twenty-nine thousand, twenty-five".