145425426 has 16 divisors (see below), whose sum is σ = 297039744. Its totient is φ = 47443664.

The previous prime is 145425421. The next prime is 145425451. The reversal of 145425426 is 624524541.

It is a super-2 number, since 2×145425426² = 42297109054562952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145425421) 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, 257565 + ... + 258128.

It is an arithmetic number, because the mean of its divisors is an integer number (18564984).

Almost surely, 2^145425426 is an apocalyptic number.

145425426 is an abundant number, since it is smaller than the sum of its proper divisors (151614318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145425426 is a wasteful number, since it uses less digits than its factorization.

145425426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515745.

The product of its digits is 38400, while the sum is 33.

The square root of 145425426 is about 12059.2464938735. The cubic root of 145425426 is about 525.8720816420.

Adding to 145425426 its reverse (624524541), we get a palindrome (769949967).

The spelling of 145425426 in words is "one hundred forty-five million, four hundred twenty-five thousand, four hundred twenty-six".