145425434 has 48 divisors (see below), whose sum is σ = 278349696. Its totient is φ = 56347200.

The previous prime is 145425421. The next prime is 145425451. The reversal of 145425434 is 434524541.

It is a super-2 number, since 2×145425434² = 42297113708176712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145425434.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337199 + ... + 337629.

It is an arithmetic number, because the mean of its divisors is an integer number (5798952).

Almost surely, 2^145425434 is an apocalyptic number.

145425434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145425434 is a deficient number, since it is larger than the sum of its proper divisors (132924262).

145425434 is a wasteful number, since it uses less digits than its factorization.

145425434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 764 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 145425434 is about 12059.2468255692. The cubic root of 145425434 is about 525.8720912849.

Adding to 145425434 its reverse (434524541), we get a palindrome (579949975).

The spelling of 145425434 in words is "one hundred forty-five million, four hundred twenty-five thousand, four hundred thirty-four".