157284803 has 4 divisors (see below), whose sum is σ = 169383648. Its totient is φ = 145185960.

The previous prime is 157284797. The next prime is 157284863. The reversal of 157284803 is 308482751.

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

It is a cyclic number.

It is not a de Polignac number, because 157284803 - 2¹⁶ = 157219267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157284863) 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, 6049403 + ... + 6049428.

It is an arithmetic number, because the mean of its divisors is an integer number (42345912).

Almost surely, 2^157284803 is an apocalyptic number.

157284803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157284803 is a deficient number, since it is larger than the sum of its proper divisors (12098845).

157284803 is a wasteful number, since it uses less digits than its factorization.

157284803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12098844.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 157284803 is about 12541.3238136969. The cubic root of 157284803 is about 539.7950788528.

The spelling of 157284803 in words is "one hundred fifty-seven million, two hundred eighty-four thousand, eight hundred three".