1254748045 has 16 divisors (see below), whose sum is σ = 1522452672. Its totient is φ = 992669440.

The previous prime is 1254748043. The next prime is 1254748069. The reversal of 1254748045 is 5408474521.

It is not a de Polignac number, because 1254748045 - 2¹ = 1254748043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254747989 and 1254748007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254748043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275154 + ... + 279676.

It is an arithmetic number, because the mean of its divisors is an integer number (95153292).

Almost surely, 2^1254748045 is an apocalyptic number.

It is an amenable number.

1254748045 is a deficient number, since it is larger than the sum of its proper divisors (267704627).

1254748045 is a wasteful number, since it uses less digits than its factorization.

1254748045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132.

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 1254748045 is about 35422.4229126129. The cubic root of 1254748045 is about 1078.5795354523.

The spelling of 1254748045 in words is "one billion, two hundred fifty-four million, seven hundred forty-eight thousand, forty-five".