152150951581 has 4 divisors (see below), whose sum is σ = 152404115164. Its totient is φ = 151897788000.

The previous prime is 152150951569. The next prime is 152150951587. The reversal of 152150951581 is 185159051251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 185159051251 = 31 ⋅5972872621.

It can be written as a sum of positive squares in 2 ways, for example, as 75327742681 + 76823208900 = 274459^2 + 277170^2 .

It is a cyclic number.

It is not a de Polignac number, because 152150951581 - 2⁷ = 152150951453 is a prime.

It is a super-3 number, since 3×152150951581³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152150951587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126580890 + ... + 126582091.

It is an arithmetic number, because the mean of its divisors is an integer number (38101028791).

Almost surely, 2^152150951581 is an apocalyptic number.

It is an amenable number.

152150951581 is a deficient number, since it is larger than the sum of its proper divisors (253163583).

152150951581 is an equidigital number, since it uses as much as digits as its factorization.

152150951581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253163582.

The product of its (nonzero) digits is 90000, while the sum is 43.

The spelling of 152150951581 in words is "one hundred fifty-two billion, one hundred fifty million, nine hundred fifty-one thousand, five hundred eighty-one".