146378741 has 2 divisors, whose sum is σ = 146378742. Its totient is φ = 146378740.

The previous prime is 146378707. The next prime is 146378767. The reversal of 146378741 is 147873641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74891716 + 71487025 = 8654^2 + 8455^2 .

It is an emirp because it is prime and its reverse (147873641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146378741 - 2¹⁴ = 146362357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146374741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73189370 + 73189371.

It is an arithmetic number, because the mean of its divisors is an integer number (73189371).

Almost surely, 2^146378741 is an apocalyptic number.

It is an amenable number.

146378741 is a deficient number, since it is larger than the sum of its proper divisors (1).

146378741 is an equidigital number, since it uses as much as digits as its factorization.

146378741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 146378741 is about 12098.7082368326. The cubic root of 146378741 is about 527.0186722174.

The spelling of 146378741 in words is "one hundred forty-six million, three hundred seventy-eight thousand, seven hundred forty-one".