30542150 has 12 divisors (see below), whose sum is σ = 56808492. Its totient is φ = 12216840.

The previous prime is 30542147. The next prime is 30542153. The reversal of 30542150 is 5124503.

It is an interprime number because it is at equal distance from previous prime (30542147) and next prime (30542153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305372 + ... + 305471.

It is an arithmetic number, because the mean of its divisors is an integer number (4734041).

Almost surely, 2^30542150 is an apocalyptic number.

30542150 is a deficient number, since it is larger than the sum of its proper divisors (26266342).

30542150 is a wasteful number, since it uses less digits than its factorization.

30542150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610855 (or 610850 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 30542150 is about 5526.4952727746. The cubic root of 30542150 is about 312.5838494996.

Adding to 30542150 its reverse (5124503), we get a palindrome (35666653).

The spelling of 30542150 in words is "thirty million, five hundred forty-two thousand, one hundred fifty".