1254611145 has 8 divisors (see below), whose sum is σ = 2007377856. Its totient is φ = 669125936.

The previous prime is 1254611143. The next prime is 1254611147. The reversal of 1254611145 is 5411164521.

1254611145 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1254611143) and next prime (1254611147).

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 1254611145 - 2¹ = 1254611143 is a prime.

It is a super-2 number, since 2×1254611145² = 3148098250316422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1254611143) 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, 41820357 + ... + 41820386.

It is an arithmetic number, because the mean of its divisors is an integer number (250922232).

Almost surely, 2^1254611145 is an apocalyptic number.

1254611145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1254611145 is a deficient number, since it is larger than the sum of its proper divisors (752766711).

1254611145 is an equidigital number, since it uses as much as digits as its factorization.

1254611145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83640751.

The product of its digits is 4800, while the sum is 30.

The square root of 1254611145 is about 35420.4904680892. The cubic root of 1254611145 is about 1078.5403076808.

Adding to 1254611145 its reverse (5411164521), we get a palindrome (6665775666).

The spelling of 1254611145 in words is "one billion, two hundred fifty-four million, six hundred eleven thousand, one hundred forty-five".