1254313545 has 8 divisors (see below), whose sum is σ = 2006901696. Its totient is φ = 668967216.

The previous prime is 1254313531. The next prime is 1254313547. The reversal of 1254313545 is 5453134521.

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

It is not a de Polignac number, because 1254313545 - 2⁹ = 1254313033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254313547) 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, 41810437 + ... + 41810466.

It is an arithmetic number, because the mean of its divisors is an integer number (250862712).

Almost surely, 2^1254313545 is an apocalyptic number.

1254313545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1254313545 is a deficient number, since it is larger than the sum of its proper divisors (752588151).

1254313545 is an equidigital number, since it uses as much as digits as its factorization.

1254313545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83620911.

The product of its digits is 36000, while the sum is 33.

The square root of 1254313545 is about 35416.2892607342. The cubic root of 1254313545 is about 1078.4550225631.

The spelling of 1254313545 in words is "one billion, two hundred fifty-four million, three hundred thirteen thousand, five hundred forty-five".