157284973 has 16 divisors (see below), whose sum is σ = 164462400. Its totient is φ = 150317440.

The previous prime is 157284949. The next prime is 157284989. The reversal of 157284973 is 379482751.

It is a cyclic number.

It is not a de Polignac number, because 157284973 - 2⁹ = 157284461 is a prime.

It is a super-2 number, since 2×157284973² = 49477125463221458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157284913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559593 + ... + 559873.

It is an arithmetic number, because the mean of its divisors is an integer number (10278900).

Almost surely, 2^157284973 is an apocalyptic number.

It is an amenable number.

157284973 is a deficient number, since it is larger than the sum of its proper divisors (7177427).

157284973 is a wasteful number, since it uses less digits than its factorization.

157284973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 423360, while the sum is 46.

The square root of 157284973 is about 12541.3305912889. The cubic root of 157284973 is about 539.7952733305.

The spelling of 157284973 in words is "one hundred fifty-seven million, two hundred eighty-four thousand, nine hundred seventy-three".