157527489 has 8 divisors (see below), whose sum is σ = 240041920. Its totient is φ = 90015696.

The previous prime is 157527473. The next prime is 157527493. The reversal of 157527489 is 984725751.

157527489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157527489 - 2⁴ = 157527473 is a prime.

It is a super-4 number, since 4×157527489⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157527439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750634 + ... + 3750675.

It is an arithmetic number, because the mean of its divisors is an integer number (30005240).

Almost surely, 2^157527489 is an apocalyptic number.

It is an amenable number.

157527489 is a deficient number, since it is larger than the sum of its proper divisors (82514431).

157527489 is an equidigital number, since it uses as much as digits as its factorization.

157527489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501319.

The product of its digits is 705600, while the sum is 48.

The square root of 157527489 is about 12550.9955382033. The cubic root of 157527489 is about 540.0725656939.

The spelling of 157527489 in words is "one hundred fifty-seven million, five hundred twenty-seven thousand, four hundred eighty-nine".