157984845 has 16 divisors (see below), whose sum is σ = 252934272. Its totient is φ = 84205760.

The previous prime is 157984843. The next prime is 157984877. The reversal of 157984845 is 548489751.

It is not a de Polignac number, because 157984845 - 2¹ = 157984843 is a prime.

It is a super-2 number, since 2×157984845² = 49918422499348050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157984843) 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 in 15 ways as a sum of consecutive naturals, for example, 38440 + ... + 42350.

It is an arithmetic number, because the mean of its divisors is an integer number (15808392).

Almost surely, 2^157984845 is an apocalyptic number.

157984845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157984845 is a deficient number, since it is larger than the sum of its proper divisors (94949427).

157984845 is a wasteful number, since it uses less digits than its factorization.

157984845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612.

The product of its digits is 1612800, while the sum is 51.

The square root of 157984845 is about 12569.2022419882. The cubic root of 157984845 is about 540.5947322647.

The spelling of 157984845 in words is "one hundred fifty-seven million, nine hundred eighty-four thousand, eight hundred forty-five".