146297487 has 24 divisors (see below), whose sum is σ = 227419056. Its totient is φ = 83411328.

The previous prime is 146297479. The next prime is 146297491. The reversal of 146297487 is 784792641.

It is not a de Polignac number, because 146297487 - 2³ = 146297479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146297447) 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 23 ways as a sum of consecutive naturals, for example, 89893 + ... + 91505.

It is an arithmetic number, because the mean of its divisors is an integer number (9475794).

Almost surely, 2^146297487 is an apocalyptic number.

146297487 is a deficient number, since it is larger than the sum of its proper divisors (81121569).

146297487 is a wasteful number, since it uses less digits than its factorization.

146297487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2240 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 146297487 is about 12095.3498089142. The cubic root of 146297487 is about 526.9211391539.

The spelling of 146297487 in words is "one hundred forty-six million, two hundred ninety-seven thousand, four hundred eighty-seven".