30266157 has 4 divisors (see below), whose sum is σ = 40354880. Its totient is φ = 20177436.

The previous prime is 30266149. The next prime is 30266189. The reversal of 30266157 is 75166203.

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.

It is not a de Polignac number, because 30266157 - 2³ = 30266149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30266557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044357 + ... + 5044362.

It is an arithmetic number, because the mean of its divisors is an integer number (10088720).

Almost surely, 2^30266157 is an apocalyptic number.

It is an amenable number.

30266157 is a deficient number, since it is larger than the sum of its proper divisors (10088723).

30266157 is a wasteful number, since it uses less digits than its factorization.

30266157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10088722.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 30266157 is about 5501.4686221045. The cubic root of 30266157 is about 311.6394483111.

The spelling of 30266157 in words is "thirty million, two hundred sixty-six thousand, one hundred fifty-seven".