145403030 has 16 divisors (see below), whose sum is σ = 265413024. Its totient is φ = 57341760.

The previous prime is 145403021. The next prime is 145403053. The reversal of 145403030 is 30304541.

It is a super-2 number, since 2×145403030² = 42284082266361800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145402993 and 145403011.

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, 101687 + ... + 103106.

It is an arithmetic number, because the mean of its divisors is an integer number (16588314).

Almost surely, 2^145403030 is an apocalyptic number.

145403030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145403030 is a deficient number, since it is larger than the sum of its proper divisors (120009994).

145403030 is a wasteful number, since it uses less digits than its factorization.

145403030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204871.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 145403030 is about 12058.3178760555. The cubic root of 145403030 is about 525.8450849053.

Adding to 145403030 its reverse (30304541), we get a palindrome (175707571).

The spelling of 145403030 in words is "one hundred forty-five million, four hundred three thousand, thirty".