150172361 has 2 divisors, whose sum is σ = 150172362. Its totient is φ = 150172360.

The previous prime is 150172349. The next prime is 150172391. The reversal of 150172361 is 163271051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148376761 + 1795600 = 12181^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 150172361 - 2²² = 145978057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150172361.

It is not a weakly prime, because it can be changed into another prime (150172331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75086180 + 75086181.

It is an arithmetic number, because the mean of its divisors is an integer number (75086181).

Almost surely, 2^150172361 is an apocalyptic number.

It is an amenable number.

150172361 is a deficient number, since it is larger than the sum of its proper divisors (1).

150172361 is an equidigital number, since it uses as much as digits as its factorization.

150172361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 150172361 is about 12254.4833020409. The cubic root of 150172361 is about 531.5327187950.

The spelling of 150172361 in words is "one hundred fifty million, one hundred seventy-two thousand, three hundred sixty-one".