145425235 has 4 divisors (see below), whose sum is σ = 174510288. Its totient is φ = 116340184.

The previous prime is 145425233. The next prime is 145425239. The reversal of 145425235 is 532524541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145425235 - 2¹ = 145425233 is a prime.

It is a super-2 number, since 2×145425235² = 42296997949610450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145425197 and 145425206.

It is not an unprimeable number, because it can be changed into a prime (145425233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14542519 + ... + 14542528.

It is an arithmetic number, because the mean of its divisors is an integer number (43627572).

Almost surely, 2^145425235 is an apocalyptic number.

145425235 is a deficient number, since it is larger than the sum of its proper divisors (29085053).

145425235 is an equidigital number, since it uses as much as digits as its factorization.

145425235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29085052.

The product of its digits is 24000, while the sum is 31.

The square root of 145425235 is about 12059.2385746365. The cubic root of 145425235 is about 525.8718514172.

Adding to 145425235 its reverse (532524541), we get a palindrome (677949776).

The spelling of 145425235 in words is "one hundred forty-five million, four hundred twenty-five thousand, two hundred thirty-five".