145331430 has 16 divisors (see below), whose sum is σ = 348795504. Its totient is φ = 38755040.

The previous prime is 145331413. The next prime is 145331467. The reversal of 145331430 is 34133541.

It is a happy number.

It is a super-2 number, since 2×145331430² = 42242449091689800, 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 145331430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422161 + ... + 2422220.

It is an arithmetic number, because the mean of its divisors is an integer number (21799719).

Almost surely, 2^145331430 is an apocalyptic number.

145331430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145331430 is an abundant number, since it is smaller than the sum of its proper divisors (203464074).

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

145331430 is a wasteful number, since it uses less digits than its factorization.

145331430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844391.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 145331430 is about 12055.3486054946. The cubic root of 145331430 is about 525.7587577502.

Adding to 145331430 its reverse (34133541), we get a palindrome (179464971).

The spelling of 145331430 in words is "one hundred forty-five million, three hundred thirty-one thousand, four hundred thirty".