145343425 has 12 divisors (see below), whose sum is σ = 181824300. Its totient is φ = 115243520.

The previous prime is 145343381. The next prime is 145343441. The reversal of 145343425 is 524343541.

It can be written as a sum of positive squares in 6 ways, for example, as 41873841 + 103469584 = 6471^2 + 10172^2 .

It is not a de Polignac number, because 145343425 - 2¹⁵ = 145310657 is a prime.

It is a super-2 number, since 2×145343425² = 42249422381461250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22900 + ... + 28549.

It is an arithmetic number, because the mean of its divisors is an integer number (15152025).

Almost surely, 2^145343425 is an apocalyptic number.

It is an amenable number.

145343425 is a deficient number, since it is larger than the sum of its proper divisors (36480875).

145343425 is a wasteful number, since it uses less digits than its factorization.

145343425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51572 (or 51567 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 145343425 is about 12055.8460922492. The cubic root of 145343425 is about 525.7732219369.

Adding to 145343425 its reverse (524343541), we get a palindrome (669686966).

The spelling of 145343425 in words is "one hundred forty-five million, three hundred forty-three thousand, four hundred twenty-five".