30145629 has 4 divisors (see below), whose sum is σ = 40194176. Its totient is φ = 20097084.

The previous prime is 30145627. The next prime is 30145631. The reversal of 30145629 is 92654103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92654103 = 3 ⋅30884701.

It is an interprime number because it is at equal distance from previous prime (30145627) and next prime (30145631).

It is not a de Polignac number, because 30145629 - 2¹ = 30145627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30145596 and 30145605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5024269 + ... + 5024274.

It is an arithmetic number, because the mean of its divisors is an integer number (10048544).

Almost surely, 2^30145629 is an apocalyptic number.

It is an amenable number.

30145629 is a deficient number, since it is larger than the sum of its proper divisors (10048547).

30145629 is a wasteful number, since it uses less digits than its factorization.

30145629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048546.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30145629 is about 5490.5035288214. The cubic root of 30145629 is about 311.2252205237.

The spelling of 30145629 in words is "thirty million, one hundred forty-five thousand, six hundred twenty-nine".