915348545 has 4 divisors (see below), whose sum is σ = 1098418260. Its totient is φ = 732278832.

The previous prime is 915348529. The next prime is 915348559. The reversal of 915348545 is 545843519.

It is a happy number.

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 482417296 + 432931249 = 21964^2 + 20807^2 .

It is a cyclic number.

It is not a de Polignac number, because 915348545 - 2⁴ = 915348529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 915348496 and 915348505.

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, 91534850 + ... + 91534859.

It is an arithmetic number, because the mean of its divisors is an integer number (274604565).

Almost surely, 2^915348545 is an apocalyptic number.

It is an amenable number.

915348545 is a deficient number, since it is larger than the sum of its proper divisors (183069715).

915348545 is a wasteful number, since it uses less digits than its factorization.

915348545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183069714.

The product of its digits is 432000, while the sum is 44.

The square root of 915348545 is about 30254.7276470967. The cubic root of 915348545 is about 970.9469425562.

The spelling of 915348545 in words is "nine hundred fifteen million, three hundred forty-eight thousand, five hundred forty-five".