145125451 has 2 divisors, whose sum is σ = 145125452. Its totient is φ = 145125450.

The previous prime is 145125443. The next prime is 145125457. The reversal of 145125451 is 154521541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145125451 - 2³ = 145125443 is a prime.

It is a super-2 number, since 2×145125451² = 42122793055906802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145125457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72562725 + 72562726.

It is an arithmetic number, because the mean of its divisors is an integer number (72562726).

Almost surely, 2^145125451 is an apocalyptic number.

145125451 is a deficient number, since it is larger than the sum of its proper divisors (1).

145125451 is an equidigital number, since it uses as much as digits as its factorization.

145125451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000, while the sum is 28.

The square root of 145125451 is about 12046.8025218313. The cubic root of 145125451 is about 525.5102534270.

Adding to 145125451 its reverse (154521541), we get a palindrome (299646992).

The spelling of 145125451 in words is "one hundred forty-five million, one hundred twenty-five thousand, four hundred fifty-one".