146915497 has 2 divisors, whose sum is σ = 146915498. Its totient is φ = 146915496.

The previous prime is 146915473. The next prime is 146915519. The reversal of 146915497 is 794519641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112763161 + 34152336 = 10619^2 + 5844^2 .

It is a cyclic number.

It is not a de Polignac number, because 146915497 - 2¹⁹ = 146391209 is a prime.

It is not a weakly prime, because it can be changed into another prime (146915437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73457748 + 73457749.

It is an arithmetic number, because the mean of its divisors is an integer number (73457749).

Almost surely, 2^146915497 is an apocalyptic number.

It is an amenable number.

146915497 is a deficient number, since it is larger than the sum of its proper divisors (1).

146915497 is an equidigital number, since it uses as much as digits as its factorization.

146915497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 146915497 is about 12120.8703070365. The cubic root of 146915497 is about 527.6620611196.

The spelling of 146915497 in words is "one hundred forty-six million, nine hundred fifteen thousand, four hundred ninety-seven".