145405030 has 16 divisors (see below), whose sum is σ = 265043520. Its totient is φ = 57425472.

The previous prime is 145405021. The next prime is 145405049. The reversal of 145405030 is 30504541.

It is a super-2 number, since 2×145405030² = 42285245498601800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145404992 and 145405010.

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, 91239 + ... + 92818.

It is an arithmetic number, because the mean of its divisors is an integer number (16565220).

Almost surely, 2^145405030 is an apocalyptic number.

145405030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145405030 is a deficient number, since it is larger than the sum of its proper divisors (119638490).

145405030 is a wasteful number, since it uses less digits than its factorization.

145405030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184143.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 145405030 is about 12058.4008060771. The cubic root of 145405030 is about 525.8474958715.

Adding to 145405030 its reverse (30504541), we get a palindrome (175909571).

The spelling of 145405030 in words is "one hundred forty-five million, four hundred five thousand, thirty".