152909545 has 4 divisors (see below), whose sum is σ = 183491460. Its totient is φ = 122327632.

The previous prime is 152909531. The next prime is 152909563. The reversal of 152909545 is 545909251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107495424 + 45414121 = 10368^2 + 6739^2 .

It is a cyclic number.

It is not a de Polignac number, because 152909545 - 2⁵ = 152909513 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 152909498 and 152909507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15290950 + ... + 15290959.

It is an arithmetic number, because the mean of its divisors is an integer number (45872865).

Almost surely, 2^152909545 is an apocalyptic number.

It is an amenable number.

152909545 is a deficient number, since it is larger than the sum of its proper divisors (30581915).

152909545 is an equidigital number, since it uses as much as digits as its factorization.

152909545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30581914.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 152909545 is about 12365.6599096045. The cubic root of 152909545 is about 534.7427009772.

The spelling of 152909545 in words is "one hundred fifty-two million, nine hundred nine thousand, five hundred forty-five".