146987361 has 6 divisors (see below), whose sum is σ = 212315090. Its totient is φ = 97991568.

The previous prime is 146987359. The next prime is 146987383. The reversal of 146987361 is 163789641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111703761 + 35283600 = 10569^2 + 5940^2 .

It is not a de Polignac number, because 146987361 - 2¹ = 146987359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146987311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8165956 + ... + 8165973.

Almost surely, 2^146987361 is an apocalyptic number.

It is an amenable number.

146987361 is a deficient number, since it is larger than the sum of its proper divisors (65327729).

146987361 is a wasteful number, since it uses less digits than its factorization.

146987361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16331935 (or 16331932 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 146987361 is about 12123.8344182028. The cubic root of 146987361 is about 527.7480827351.

The spelling of 146987361 in words is "one hundred forty-six million, nine hundred eighty-seven thousand, three hundred sixty-one".