30146054 has 16 divisors (see below), whose sum is σ = 47409408. Its totient is φ = 14349192.

The previous prime is 30145987. The next prime is 30146057. The reversal of 30146054 is 45064103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146057) 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, 8999 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (2963088).

Almost surely, 2^30146054 is an apocalyptic number.

30146054 is a deficient number, since it is larger than the sum of its proper divisors (17263354).

30146054 is a wasteful number, since it uses less digits than its factorization.

30146054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30146054 is about 5490.5422318747. The cubic root of 30146054 is about 311.2266830917.

The spelling of 30146054 in words is "thirty million, one hundred forty-six thousand, fifty-four".