146012437 has 2 divisors, whose sum is σ = 146012438. Its totient is φ = 146012436.

The previous prime is 146012389. The next prime is 146012443. The reversal of 146012437 is 734210641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141110641 + 4901796 = 11879^2 + 2214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146012437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146010437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73006218 + 73006219.

It is an arithmetic number, because the mean of its divisors is an integer number (73006219).

Almost surely, 2^146012437 is an apocalyptic number.

It is an amenable number.

146012437 is a deficient number, since it is larger than the sum of its proper divisors (1).

146012437 is an equidigital number, since it uses as much as digits as its factorization.

146012437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 146012437 is about 12083.5606093568. The cubic root of 146012437 is about 526.5786941581.

The spelling of 146012437 in words is "one hundred forty-six million, twelve thousand, four hundred thirty-seven".