150820725 has 24 divisors (see below), whose sum is σ = 272027232. Its totient is φ = 73124800.

The previous prime is 150820723. The next prime is 150820739. The reversal of 150820725 is 527028051.

It is not a de Polignac number, because 150820725 - 2¹ = 150820723 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 150820692 and 150820701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150820723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90582 + ... + 92231.

It is an arithmetic number, because the mean of its divisors is an integer number (11334468).

Almost surely, 2^150820725 is an apocalyptic number.

150820725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150820725 is a deficient number, since it is larger than the sum of its proper divisors (121206507).

150820725 is a wasteful number, since it uses less digits than its factorization.

150820725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182837 (or 182832 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 150820725 is about 12280.9089647306. The cubic root of 150820725 is about 532.2965786077.

Adding to 150820725 its reverse (527028051), we get a palindrome (677848776).

The spelling of 150820725 in words is "one hundred fifty million, eight hundred twenty thousand, seven hundred twenty-five".