1254522231145 has 8 divisors (see below), whose sum is σ = 1505446777800. Its totient is φ = 1003604384640.

The previous prime is 1254522231073. The next prime is 1254522231217. The reversal of 1254522231145 is 5411322254521.

It is an interprime number because it is at equal distance from previous prime (1254522231073) and next prime (1254522231217).

It can be written as a sum of positive squares in 4 ways, for example, as 697512269584 + 557009961561 = 835172^2 + 746331^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1254522231145 is a prime.

It is a super-2 number, since 2×1254522231145² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253466 + ... + 2019955.

It is an arithmetic number, because the mean of its divisors is an integer number (188180847225).

Almost surely, 2^{1254522231145} is an apocalyptic number.

It is an amenable number.

1254522231145 is a deficient number, since it is larger than the sum of its proper divisors (250924546655).

1254522231145 is an equidigital number, since it uses as much as digits as its factorization.

1254522231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350075.

The product of its digits is 96000, while the sum is 37.

Adding to 1254522231145 its reverse (5411322254521), we get a palindrome (6665844485666).

The spelling of 1254522231145 in words is "one trillion, two hundred fifty-four billion, five hundred twenty-two million, two hundred thirty-one thousand, one hundred forty-five".