1254500545 has 8 divisors (see below), whose sum is σ = 1505845224. Its totient is φ = 1003304064.

The previous prime is 1254500543. The next prime is 1254500573. The reversal of 1254500545 is 5450054521.

It can be written as a sum of positive squares in 4 ways, for example, as 182331009 + 1072169536 = 13503^2 + 32744^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1254500545 - 2¹ = 1254500543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254500543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17484 + ... + 53053.

It is an arithmetic number, because the mean of its divisors is an integer number (188230653).

Almost surely, 2^1254500545 is an apocalyptic number.

It is an amenable number.

1254500545 is a deficient number, since it is larger than the sum of its proper divisors (251344679).

1254500545 is an equidigital number, since it uses as much as digits as its factorization.

1254500545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74099.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1254500545 is about 35418.9291904767. The cubic root of 1254500545 is about 1078.5086139129.

The spelling of 1254500545 in words is "one billion, two hundred fifty-four million, five hundred thousand, five hundred forty-five".