146151293 has 2 divisors, whose sum is σ = 146151294. Its totient is φ = 146151292.

The previous prime is 146151253. The next prime is 146151307. The reversal of 146151293 is 392151641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143952004 + 2199289 = 11998^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 146151293 - 2¹⁰ = 146150269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146151253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73075646 + 73075647.

It is an arithmetic number, because the mean of its divisors is an integer number (73075647).

Almost surely, 2^146151293 is an apocalyptic number.

It is an amenable number.

146151293 is a deficient number, since it is larger than the sum of its proper divisors (1).

146151293 is an equidigital number, since it uses as much as digits as its factorization.

146151293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 146151293 is about 12089.3049014408. The cubic root of 146151293 is about 526.7455645211.

The spelling of 146151293 in words is "one hundred forty-six million, one hundred fifty-one thousand, two hundred ninety-three".