125145304453 has 8 divisors (see below), whose sum is σ = 134853224408. Its totient is φ = 115449007104.

The previous prime is 125145304379. The next prime is 125145304547. The reversal of 125145304453 is 354403541521.

It can be written as a sum of positive squares in 4 ways, for example, as 9342575649 + 115802728804 = 96657^2 + 340298^2 .

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 125145304453 - 2¹⁷ = 125145173381 is a prime.

It is a super-2 number, since 2×125145304453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125145334453) 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, 2883276 + ... + 2926357.

It is an arithmetic number, because the mean of its divisors is an integer number (16856653051).

Almost surely, 2^125145304453 is an apocalyptic number.

125145304453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125145304453 is a deficient number, since it is larger than the sum of its proper divisors (9707919955).

125145304453 is a wasteful number, since it uses less digits than its factorization.

125145304453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811303.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 125145304453 its reverse (354403541521), we get a palindrome (479548845974).

The spelling of 125145304453 in words is "one hundred twenty-five billion, one hundred forty-five million, three hundred four thousand, four hundred fifty-three".