152246489 has 12 divisors (see below), whose sum is σ = 159443508. Its totient is φ = 145372880.

The previous prime is 152246483. The next prime is 152246503. The reversal of 152246489 is 984642251.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 29214025 + 123032464 = 5405^2 + 11092^2 .

It is not a de Polignac number, because 152246489 - 2²⁰ = 151197913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152246483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3239264 + ... + 3239310.

It is an arithmetic number, because the mean of its divisors is an integer number (13286959).

Almost surely, 2^152246489 is an apocalyptic number.

It is an amenable number.

152246489 is a deficient number, since it is larger than the sum of its proper divisors (7197019).

152246489 is an frugal number, since it uses more digits than its factorization.

152246489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 88 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 152246489 is about 12338.8204055331. The cubic root of 152246489 is about 533.9686527443.

Multiplying 152246489 by its sum of digits (41), we get a square (6242106049 = 79007²).

152246489 divided by its sum of digits (41) gives a square (3713329 = 1927²).

The spelling of 152246489 in words is "one hundred fifty-two million, two hundred forty-six thousand, four hundred eighty-nine".