30451054 has 4 divisors (see below), whose sum is σ = 45676584. Its totient is φ = 15225526.

The previous prime is 30451051. The next prime is 30451061. The reversal of 30451054 is 45015403.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30451051) by changing a digit.

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 as a sum of consecutive naturals, namely, 7612762 + ... + 7612765.

It is an arithmetic number, because the mean of its divisors is an integer number (11419146).

Almost surely, 2^30451054 is an apocalyptic number.

30451054 is a deficient number, since it is larger than the sum of its proper divisors (15225530).

30451054 is a wasteful number, since it uses less digits than its factorization.

30451054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15225529.

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

The square root of 30451054 is about 5518.2473666917. The cubic root of 30451054 is about 312.2727657935.

Adding to 30451054 its reverse (45015403), we get a palindrome (75466457).

The spelling of 30451054 in words is "thirty million, four hundred fifty-one thousand, fifty-four".