152501220225 has 36 divisors (see below), whose sum is σ = 273193164816. Its totient is φ = 81320127840.

The previous prime is 152501220199. The next prime is 152501220229. The reversal of 152501220225 is 522022105251.

It is a happy number.

152501220225 is a `hidden beast` number, since 152 + 501 + 2 + 2 + 0 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 152501220225 - 2⁶ = 152501220161 is a prime.

It is a super-2 number, since 2×152501220225² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152501220229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1341042 + ... + 1450308.

Almost surely, 2^152501220225 is an apocalyptic number.

152501220225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152501220225 is a deficient number, since it is larger than the sum of its proper divisors (120691944591).

152501220225 is a wasteful number, since it uses less digits than its factorization.

152501220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115486 (or 115478 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 152501220225 its reverse (522022105251), we get a palindrome (674523325476).

The spelling of 152501220225 in words is "one hundred fifty-two billion, five hundred one million, two hundred twenty thousand, two hundred twenty-five".