146744987 has 2 divisors, whose sum is σ = 146744988. Its totient is φ = 146744986.

The previous prime is 146744981. The next prime is 146744993. The reversal of 146744987 is 789447641.

It is a balanced prime because it is at equal distance from previous prime (146744981) and next prime (146744993).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146744987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146744981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73372493 + 73372494.

It is an arithmetic number, because the mean of its divisors is an integer number (73372494).

Almost surely, 2^146744987 is an apocalyptic number.

146744987 is a deficient number, since it is larger than the sum of its proper divisors (1).

146744987 is an equidigital number, since it uses as much as digits as its factorization.

146744987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 50.

The square root of 146744987 is about 12113.8345291654. The cubic root of 146744987 is about 527.4578473837.

The spelling of 146744987 in words is "one hundred forty-six million, seven hundred forty-four thousand, nine hundred eighty-seven".